Re: middle-end/8405: GCC 3.2: 'throw exception;' not caught by catch

2002-10-30 Thread bangerth
Synopsis: GCC 3.2: 'throw exception;' not caught by catch State-Changed-From-To: open-closed State-Changed-By: bangerth State-Changed-When: Wed Oct 30 12:55:51 2002 State-Changed-Why: Not a bug. An exception specification attached to a function does not imply any conversion

Re: bootstrap/6825: [Sun OS 4.1.4] gcc 3.1 fails to build

2002-11-25 Thread bangerth
Old Synopsis: gcc 3.1 fails to build on sunos 4.1.4 New Synopsis: [Sun OS 4.1.4] gcc 3.1 fails to build State-Changed-From-To: open-feedback State-Changed-By: bangerth State-Changed-When: Mon Nov 25 14:59:50 2002 State-Changed-Why: I was surprised to see that SunOS4 is indeed still

Re: other/8757: GCC crash when sizeof (long) sizeof (char *), (splay_tree_compare_fn)strcmp is wrong

2003-03-15 Thread bangerth
Synopsis: GCC crash when sizeof (long) sizeof (char *), (splay_tree_compare_fn)strcmp is wrong State-Changed-From-To: open-feedback State-Changed-By: bangerth State-Changed-When: Sat Mar 15 18:44:31 2003 State-Changed-Why: Do you have a small testcase that triggers the bug, so that we

Re: c/9944: gcc does not warn for always-false if (!a 0x4) bitwise and on boolean value

2003-03-21 Thread bangerth
Synopsis: gcc does not warn for always-false if (!a 0x4) bitwise and on boolean value State-Changed-From-To: open-analyzed State-Changed-By: bangerth State-Changed-When: Sat Mar 22 04:31:36 2003 State-Changed-Why: Patches already floating around http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd

Re: c++/9377: g++ 64bit calls wrong function - Multi-inheritance:pointer to member function of the 2nd base calss points to wrong place

2003-01-21 Thread Wolfgang Bangerth
working program breaks when you change something like the layout of the vt. That being said, I reopened the report to let others have a second look on things. Regards Wolfgang - Wolfgang Bangerth email

[Bug c++/28687] [4.2 regression] dynamic_castvoid* disallowed too rigorously with -fno-rtti

2006-08-22 Thread bangerth at dealii dot org
--- Comment #17 from bangerth at dealii dot org 2006-08-22 20:36 --- I agree that we should allow this behavior. Clearly the standard has nothing to say about whether -fno-rtti should allow this or not, but the standard has an explicit provision for the case of dynamic_castvoid

[Bug c++/28820] sizeof == 0 for empty class

2006-08-23 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-08-23 15:01 --- (In reply to comment #0) int size1 = sizeof(A); // == 0, should be nonzero int size2 = sizeof(a); // == 0, should be nonzero What makes you think so? Since: ISO 14882-2003, 9 [Classes].3 I don't quite know

[Bug c++/28819] gcc requires infinite memory when compiling code snippet

2006-08-23 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-08-23 15:08 --- I can confirm that it takes g++ 3.3: 1.5 seconds gcc 3.4: 18.6 seconds gcc 4.0: 13.2 seconds However, gcc4.1 is back down to 0.5 seconds to compile this and presumably takes a lot less memory as well. So

[Bug c++/28553] [4.1 Regression] string processing -O3 optimization bug under GCC 4.1.1

2006-08-23 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-08-24 01:52 --- Paolo has already confirmed this one. -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/28557] [4.0 regression] Trouble with templated type conversion operator

2006-08-23 Thread bangerth at dealii dot org
-- bangerth at dealii dot org changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last

[Bug c++/28766] compound literal expression vs templates

2006-08-23 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-08-24 01:57 --- It doesn't seem to matter for me whether the function is a template or not. Which version did you use to get to that statement? W. -- bangerth at dealii dot org changed: What|Removed

[Bug c++/28774] Request for warning where const/volatile is ignored in a cast

2006-08-23 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-08-24 01:59 --- Um, why? The value 1.234 is an rvalue of type double. You cast it to an rvalue of type const int, which can clearly be assigned to an int right away without another cast. In fact, const-volatile qualifications do

[Bug tree-optimization/28948] New: -fprofile-generate/use and C++ anonymous namespaces don't mix

2006-09-04 Thread bangerth at dealii dot org
namespaces don't mix Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: bangerth at dealii dot

[Bug tree-optimization/28948] -fprofile-generate/use and C++ anonymous namespaces don't mix

2006-09-04 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-09-04 16:04 --- I forgot to say that this comes from trying to use -fprofile-use on 447.dealII from SPEC 2006... W. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28948

[Bug c++/29028] No warning about unused names introduced with using declarations

2006-09-11 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-09-12 03:58 --- At first I thought that the warning is not useful since the variable may in fact not be unused at all -- the using declaration simply makes the name available in the present scope. However, then I realized

[Bug c++/20420] Incorrectly Accepts double declarations

2006-09-11 Thread bangerth at dealii dot org
--- Comment #5 from bangerth at dealii dot org 2006-09-12 04:00 --- (In reply to comment #4) I suppose this is the same basic problem? No, that code is definitely legal and unobjectionable. Just as having two extern declarations of the same variable in the same scope (or two forward

[Bug target/27440] [4.0/4.1/4.2 regression] code quality regression due to ivopts

2006-09-12 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-09-13 03:32 --- With today's 4.1.x snapshot and on x86_64, I get this at -O2: .L4: mov %edx, %eax incl%edx cmpl%edx, %ecx movl%esi, (%rdi,%rax,4) jne .L4

[Bug target/23963] [4.0/4.1 Regression] MMX intrinsics cause ICE in trunc_int_for_mode

2006-09-12 Thread bangerth at dealii dot org
--- Comment #3 from bangerth at dealii dot org 2006-09-13 03:34 --- This appears to be working now on x86_64 with last night's gcc 4.1.x subversion. -- bangerth at dealii dot org changed: What|Removed |Added

[Bug rtl-optimization/28173] [4.1 Regression] 4.1.1 misses constant folding .

2006-09-12 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-09-13 03:39 --- Confirmed. I see the same behavior on x86_64-linux-unknown-gnu. This is a regression from 3.4.x that is present in at least the 4.0.x and 4.1.x release branches (don't know about mainline). W. -- bangerth at dealii

[Bug middle-end/24427] missing optimization opportunity with binary operators

2006-09-12 Thread bangerth at dealii dot org
--- Comment #6 from bangerth at dealii dot org 2006-09-13 04:02 --- Isn't this a duplicate of PR 28173 now? -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/29043] Constructor for POD type with const member without member initializer accepted

2006-09-13 Thread bangerth at dealii dot org
--- Comment #3 from bangerth at dealii dot org 2006-09-13 16:10 --- Confirmed with the testcase from attachment #2. -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/29080] [4.0/4.1/4.2 Regression] Multiple-inheritance with template method function code triggers internal compiler error: in build_base_path, at cp/class.c:273

2006-09-15 Thread bangerth at dealii dot org
--- Comment #3 from bangerth at dealii dot org 2006-09-15 13:49 --- Confirmed. This is the valid testcase: struct Base { templateclass C void method() { } }; struct Left : public Base { }; struct Right : public Base { }; struct Join : public Left, public Right

[Bug preprocessor/29245] no way to safely attempt an #include which may fail

2006-09-26 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-09-27 04:30 --- This is definitely firmly in the class of extension to the language that requires a thorough proposal to be presented to the standards committee things. I don't think anyone is even remotely interested in implementing

[Bug c++/29243] Bad this pointer when calling thru pointer to varargs method

2006-09-26 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-09-27 04:50 --- This code can't work. The check() function is not a virtual function, so calling ((broken)-*func) (); is translated to ( ((Base*)(broken))-*func) (); because func is of type void (Base::*) (...) Then, when you

[Bug tree-optimization/29212] ICE with -fipa-pta

2006-09-26 Thread bangerth at dealii dot org
--- Comment #6 from bangerth at dealii dot org 2006-09-27 04:57 --- Filing bug reports is certainly a good think no matter what happens: a) If code is finally merged from the branch, we will have to go back to these bug reports to make sure they're really fixed b) If code is never

[Bug c++/29252] Strange No matching function for call compilation error with G++ 4.1

2006-09-27 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-09-27 15:46 --- You didn't show us the code that generated the problem. We can't do anything without that. Please read http://gcc.gnu.org/bugs.html for more information. Best W. -- bangerth at dealii dot org changed

[Bug c++/29251] Configure Error (Invalid option CFLAG=-q64)

2006-09-27 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-09-27 15:48 --- -q64 is not a flag that gcc recognizes. It is a flag that xlC recognizes, however. Why would you want to pass it to gcc? W. -- bangerth at dealii dot org changed: What|Removed

[Bug c++/29175] [4.0/4.1/4.2 regression] ICE on invalid: C++ static variable length array

2006-09-27 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-09-28 05:59 --- Confirmed. This actually worked in gcc2.95 to my surprise: g/x /home/bangerth/bin/gcc-2.95.3/bin/c++ -c x.cc x.cc: In function `void foo()': x.cc:1: variable-sized object of type `const char *[((c - 1) + 1)]' may

[Bug c++/29252] Strange No matching function for call compilation error with G++ 4.1

2006-09-28 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-09-28 06:06 --- I think the error message is perfectly clear: it says that there is no function foo (X) but that there is a function that provides foo (X) We've gone through this many times that there is no way to say see, you

[Bug preprocessor/29245] want way to #include but still able to finish compiling

2006-09-28 Thread bangerth at dealii dot org
--- Comment #7 from bangerth at dealii dot org 2006-09-28 06:09 --- Daniel, would you prefer if we marked this as WONTFIX? I think this thing is so contentious that we're not going to do anything about it until there's some sort of resolutions from the ISO committees. I just don't see

[Bug target/29258] internal compiler error: Segmentation fault

2006-09-28 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-09-28 06:10 --- Can you post preprocessed sources as requested in http://gcc.gnu.org/bugs.html Thanks Wolfgang -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/29261] Hiding constructior is required while no direct invocation to it with G++ 4

2006-09-28 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-09-28 06:15 --- This is what is listed in the release notes of gcc 3.4: http://gcc.gnu.org/gcc-3.4/changes.html They say this: - When binding an rvalue of class type to a reference, the copy constructor of the class must

[Bug middle-end/29390] Bogus symbol inserted into valid C++ code at low optimization level

2006-10-09 Thread bangerth at dealii dot org
--- Comment #9 from bangerth at dealii dot org 2006-10-10 03:26 --- (In reply to comment #8) (In reply to comment #7) 3.4.4 (or 3.4.6) are the system compilers on FreeBSD-5.x and FreeBSD-6.x So what, we are talking about the FSF GCC and not freebsd and 3.4.x is no longer maintained

[Bug c++/28990] const new: Inherited constructor accepted in lieu of user-defined constructor

2006-10-09 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-10-10 03:36 --- This is in fact a duplicate of PR 20039. *** This bug has been marked as a duplicate of 20039 *** -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/20039] uninitialized const in `new' of `const struct'

2006-10-09 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-10-10 03:36 --- *** Bug 28990 has been marked as a duplicate of this bug. *** -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/29188] undocumented extension with ambiguous between conversion function/constructor. related to const

2006-10-09 Thread bangerth at dealii dot org
--- Comment #3 from bangerth at dealii dot org 2006-10-10 03:44 --- Confirmed. Not a useful extension because confusing: - struct A; struct B { B (const A); }; struct A { operator B() const; }; A a; B b1 = a;// xpass --- g/x /home

[Bug c++/29234] Call to operator() of temporary object wrongly parsed

2006-10-09 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-10-10 03:51 --- Confirmed: -- struct S { void operator () (); }; void foo () { ( S()() ); } -- g/x /home/bangerth/bin/gcc-4.2-pre/bin/c++ -c x.cc x.cc: In function #8216;void foo()#8217;: x.cc:5

[Bug c++/29365] Unnecessary anonymous namespace warnings

2006-10-09 Thread bangerth at dealii dot org
--- Comment #6 from bangerth at dealii dot org 2006-10-10 03:54 --- Confirmed. The code makes sense and we shouldn't unconditionally warn. W. -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/29297] Segmentation fault on invalid use of `::'

2006-10-09 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-10-10 03:56 --- Indeed can't reproduce on x86. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29297

[Bug c++/29008] Fails to accept templated constructor

2006-10-09 Thread bangerth at dealii dot org
--- Comment #3 from bangerth at dealii dot org 2006-10-10 04:00 --- The standard does not provide to explicitly specify the template arguments of a constructor invocation. The syntax nametype refers to a template class 'name' with template argument 'type', not to a template

[Bug c++/29236] [4.0/4.1/4.2? regression] Bogus ambiguity with templates + friend

2006-10-09 Thread bangerth at dealii dot org
--- Comment #3 from bangerth at dealii dot org 2006-10-10 04:11 --- Confirmed: -- template typename T struct A {}; template template typename class P struct B { template template typename class Q friend bool foo (const BQ a); }; template template typename class Q

[Bug c++/29236] [4.0/4.1/4.2? regression] Bogus ambiguity with templates + friend

2006-10-09 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-10-10 04:13 --- btw, this only happens if Q is really a template template argument. As noted by the original reporter, the problem goes away if Q is simply a template argument. W. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id

[Bug c++/29117] Copy constructor is called with this == rhs

2006-10-09 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-10-10 04:24 --- Your expectations are wrong. You probably believe that here - void f3() { D d3; printf(3) getValue() - %d,, d3.getValue()); { D d3 = d3; printf(getValue() - %d\n, d3.getValue

[Bug c++/29117] Copy constructor is called with this == rhs

2006-10-09 Thread bangerth at dealii dot org
--- Comment #5 from bangerth at dealii dot org 2006-10-10 04:27 --- Here's the right combination of flags that warns (for f3() only): g/x /home/bangerth/bin/gcc-4.2-pre/bin/c++ -Winit-self -Wuninitialized -O2 -c x.cc x.cc: In function #8216;void f3()#8217;: x.cc:42: warning: #8216;d3$c

[Bug c++/29236] [4.0/4.1/4.2 Regression] Bogus ambiguity with templates + friend

2006-10-10 Thread bangerth at dealii dot org
--- Comment #6 from bangerth at dealii dot org 2006-10-10 14:25 --- (In reply to comment #5) foo should not have been injected by the friend. True, but that's irrelevant here. We get a tentative declaration that we simply have to unify with the later real declaration. Note

[Bug middle-end/29390] Bogus symbol inserted into valid C++ code at low optimization level

2006-10-10 Thread bangerth at dealii dot org
--- Comment #11 from bangerth at dealii dot org 2006-10-10 14:56 --- (In reply to comment #10) For you, the developers, it is, probably, indeed faster, than writing another explanation, why you have no resources to do it... No, it will actually take significant time, since one has

[Bug middle-end/29390] Bogus symbol inserted into valid C++ code at low optimization level

2006-10-10 Thread bangerth at dealii dot org
--- Comment #13 from bangerth at dealii dot org 2006-10-10 15:18 --- (In reply to comment #12) In comment #9: shouldn't be too hard. In comment #11: No, it will actually take significant time It's a long and boring process. It's not complicated, it just takes time

[Bug c++/29008] Fails to accept templated constructor

2006-10-10 Thread bangerth at dealii dot org
--- Comment #5 from bangerth at dealii dot org 2006-10-11 03:35 --- Um, the error message says `foo' is not a template which is about as accurate as can be. That said, the request for a warning for constructors that can't be called is ok. Would you mind opening a new report only

[Bug c++/29164] Overloaded operator delete[] doesn't get called

2006-10-10 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-10-11 03:43 --- Confirmed. 12.5/4 reads to me as if myclass::operator delete[] should be called. Indeed icc doesn't call either user defined operator in the array case. I think that's just a convergence of bugs, though. This appears

[Bug c++/28981] g++ -pedantic issues error array bound not integer although it is a constant

2006-10-11 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-10-12 00:39 --- int array3[(const unsigned short) (20.5 * 3)]; error message from compiler is: error: array bound is not an integer constant to me this is wrong because the expression (const unsigned short) (20.5 * 3

[Bug c++/22149] func pointer non-type template parm invalid access control

2006-10-11 Thread bangerth at dealii dot org
--- Comment #3 from bangerth at dealii dot org 2006-10-12 00:41 --- Confirmed. W. -- bangerth at dealii dot org changed: What|Removed |Added CC

[Bug c++/23643] Incorrect conversion from derived to empty base class

2006-10-11 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-10-12 00:56 --- Why exactly do you think that the empty base should not be located at the same address as the simple_base base object? W. -- bangerth at dealii dot org changed: What|Removed

[Bug c++/24056] failed lookup of static non-member operator function with certain templated arguments

2006-10-11 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-10-12 01:03 --- The operator== you want to call is used in a context in which the template argument cannot be deduced (a non-deduceable context). If you want to use this construct, you will have to write something like

[Bug c++/24605] [4.0/4.1 Regression] internal compiler error: Segmentation fault while compiling c++ file

2006-10-11 Thread bangerth at dealii dot org
--- Comment #19 from bangerth at dealii dot org 2006-10-12 01:06 --- Since this is solved on mainline and nobody seems to have been able to ever reproduce it anyway, there doesn't seem to be a chance of this being actively worked on on older release branches. I'll therefore close it. We

[Bug c++/24605] [4.0/4.1 Regression] internal compiler error: Segmentation fault while compiling c++ file

2006-10-11 Thread bangerth at dealii dot org
-- bangerth at dealii dot org changed: What|Removed |Added Known to work||4.2.0 Target Milestone|4.1.2 |4.2.0 http

[Bug c++/26747] bad break/continue is not dectected until the gimplifier

2006-10-11 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-10-12 01:08 --- What exactly is the problem here? I get this as an error message: g/x /home/bangerth/bin/gcc-4.2-pre/bin/c++ -c x.cc x.cc: In function #8216;void f()#8217;: x.cc:3: error: break statement not within loop or switch

[Bug c++/29437] New: [decl.init.ref]/5 wrongly implemented

2006-10-11 Thread bangerth at dealii dot org
b = false; const Base ref = b ? Base() : Derived(); } g/x /home/bangerth/bin/gcc-4.2-pre/bin/c++ x.cc g/x ./a.out Base ctor Derived ctor Base copy ctor ~Derived called ~Base called ~Base called As can be seen, only Base is copied, when we are required to copy

[Bug c++/28254] ICE with invalid class$

2006-10-11 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-10-12 01:39 --- Confirmed. -- bangerth at dealii dot org changed: What|Removed |Added Status|UNCONFIRMED

[Bug c++/28337] [4.0 regression] ICE with string literals in templates

2006-10-11 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-10-12 01:41 --- Are there any plans to backport the fix to 4.0.x, or should this bug be closed as a WONTFIX on that branch? W. -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/28656] unhelpful null argument warning on memcpy()

2006-10-11 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-10-12 01:43 --- Confirmed. To make things more interesting, gcc presently gives me the warning twice: g/x /home/bangerth/bin/gcc-4.2-pre/bin/c++ -c x.cc -Wall x.cc: In function #8216;int main()#8217;: x.cc:5: warning: null argument

[Bug c++/28766] compound literal expression vs templates

2006-10-11 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-10-12 01:45 --- Confirmed. The template version doesn't compile, whereas the non-template version does. W. -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/28827] [4.0 Regression] ICE with nested template friend

2006-10-11 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-10-12 01:47 --- I can confirm that this is apparently fixed now. W. -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/28956] Illegal array initialization accepted

2006-10-11 Thread bangerth at dealii dot org
--- Comment #3 from bangerth at dealii dot org 2006-10-12 01:49 --- Confirmed. -- bangerth at dealii dot org changed: What|Removed |Added Status|UNCONFIRMED

[Bug c++/28169] Tertiary operator: object creation and initialization

2006-10-11 Thread bangerth at dealii dot org
--- Comment #5 from bangerth at dealii dot org 2006-10-12 01:50 --- gcc is correct. It is true that the result of the ?: operator is a reference to the Base object of the Derived object created in the second arm. However, the result is an rvalue, and a constant reference is initialized

[Bug c++/29437] [decl.init.ref]/5 wrongly implemented

2006-10-11 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-10-12 01:52 --- It is infact: this is a cleaned up version of that PR, but actually handles the thing that is wrong, whereas PR 28169 was talking about something that wasn't a bug at all. W. -- http://gcc.gnu.org/bugzilla

[Bug c++/29437] [decl.init.ref]/5 wrongly implemented

2006-10-11 Thread bangerth at dealii dot org
--- Comment #3 from bangerth at dealii dot org 2006-10-12 02:06 --- Forget this, the type of the rhs is of course an rvalue of type Base, there is no need to copy the entire Derived object. W. -- bangerth at dealii dot org changed: What|Removed

[Bug c++/29408] [4.1/4.2 regression] parse error for valid code

2006-10-11 Thread bangerth at dealii dot org
--- Comment #8 from bangerth at dealii dot org 2006-10-12 04:27 --- I don't believe the code is valid. W. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29408

[Bug c++/29117] Copy constructor is called with this == rhs

2006-10-12 Thread bangerth at dealii dot org
--- Comment #8 from bangerth at dealii dot org 2006-10-12 19:55 --- (In reply to comment #6) Thank you for your answer, this is very interesting (but where is it documented?). In the gcc manual. But still *very* dangerous, because the destructor of this unitialized object

[Bug c++/29432] Segfault after repeated throwing and catching of runtime_error exception with error string

2006-10-16 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-10-17 05:45 --- I can't either. The typical failure mode would have been an infinite growth of memory usage, but I can't see this with any version I have. It must be a RH specific problem... -- bangerth at dealii dot org changed

[Bug c++/28088] [4.1 Regression] Internal compiler error on boost mpl test/apply.cpp

2006-10-20 Thread bangerth at dealii dot org
--- Comment #9 from bangerth at dealii dot org 2006-10-21 04:28 --- Mark, is there any way for a backport of your patch to the 4.1 branch? This appears to be a regression involving boost, and I got word from people whose codes break with 4.1.x because of this... Thanks W

[Bug c++/29577] overload/SFINAE problem

2006-10-23 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-10-24 02:21 --- I'm not completely sure who's right and wrong, but here's what's happening: the second argument in the X case is an integer (the number zero), not an int*. Consequently, the first template is not an exact match

[Bug web/968] Multiple last modified dates

2006-10-26 Thread bangerth at dealii dot org
--- Comment #6 from bangerth at dealii dot org 2006-10-26 06:34 --- *** Bug 29593 has been marked as a duplicate of this bug. *** -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/29593] Missing warning.

2006-10-26 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-10-26 06:34 --- This is in fact a duplicate of PR 968. *** This bug has been marked as a duplicate of 968 *** -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/29593] Missing warning.

2006-10-26 Thread bangerth at dealii dot org
--- Comment #3 from bangerth at dealii dot org 2006-10-26 06:34 --- Ah shoot... -- bangerth at dealii dot org changed: What|Removed |Added Status|RESOLVED

[Bug c++/29593] Missing warning.

2006-10-26 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-10-26 06:35 --- I meant PR 986 :( *** This bug has been marked as a duplicate of 986 *** -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/986] g++ misses warning for on temporary

2006-10-26 Thread bangerth at dealii dot org
--- Comment #9 from bangerth at dealii dot org 2006-10-26 06:35 --- *** Bug 29593 has been marked as a duplicate of this bug. *** -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/29597] log expression returns different results when casting

2006-10-26 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-10-26 06:39 --- To be more concrete: (int)(expression) rounds down. So if your quotient of logarithms happens to be computed to 5.999, then you will get a result of 5 after casting to int. You should round results, not just

[Bug c++/29618] argument dependent lookup: what about built-in types?

2006-10-27 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-10-27 22:47 --- Built-in types are not associated with any namespace. ADL therefore doesn't apply to them -- name lookup proceeds from the present scope outward and stops once a suitable name is found. This results in you getting all

[Bug c++/29615] Class can't be friends of itself?

2006-10-27 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-10-27 22:57 --- Confirmed. -- bangerth at dealii dot org changed: What|Removed |Added CC

[Bug c++/29582] Parameter pushed to stack too soon

2006-10-30 Thread bangerth at dealii dot org
--- Comment #5 from bangerth at dealii dot org 2006-10-31 00:01 --- (In reply to comment #0) COtherClass(5, m_szSzField, NULL, 0, ImmString1).Method1().Method2(m_ullProblemField)(ImmString2, m_pvPointerField)(ImmString3, m_ullProblemField); [...] The problem

[Bug c++/29577] overload/SFINAE problem

2006-11-01 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-11-01 22:57 --- You don't need a cast when converting to pointer, but the data type of 0 is still int. When determining the type of a template parameter, it therefore tries to to make the template parameter 'int'. -- http

[Bug c++/29729] [4.0/4.1/4.2/4.3 regression] ICE with template class in template function

2006-11-06 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-11-07 01:04 --- Why exactly is this invalid again? W. -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/29729] [4.0/4.1/4.2/4.3 regression] ICE with template class in template function

2006-11-06 Thread bangerth at dealii dot org
--- Comment #3 from bangerth at dealii dot org 2006-11-07 04:38 --- (In reply to comment #2) (In reply to comment #1) Why exactly is this invalid again? Because local types cannot be templates. I don't think that's true. A local type cannot be a template argument (14.3.1/2) but I

[Bug c++/29767] [accept invalid?] specialization enclosed templates within the declaration of the enclosed class.

2006-11-08 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-11-08 22:57 --- This is a duplicate of another PR where we forget to substitute an outer template argument in the specialization of an inner template. I think it concerned a boolean value in that case, rather than a type. W

[Bug c++/29767] partial specialization enclosed templates within the declaration of the enclosed class.

2006-11-08 Thread bangerth at dealii dot org
--- Comment #6 from bangerth at dealii dot org 2006-11-09 05:25 --- Indeed. They are duplicates. *** This bug has been marked as a duplicate of 14032 *** -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/14032] non type boolean template argument partial specialization to argument in parent never matches

2006-11-08 Thread bangerth at dealii dot org
--- Comment #8 from bangerth at dealii dot org 2006-11-09 05:25 --- *** Bug 29767 has been marked as a duplicate of this bug. *** -- bangerth at dealii dot org changed: What|Removed |Added

[Bug c++/14032] Specialization of inner template using outer template argument doesn't work

2006-11-08 Thread bangerth at dealii dot org
--- Comment #9 from bangerth at dealii dot org 2006-11-09 05:33 --- PR29767 made me try whether we can achieve the same wrong effect for template type parameters, and indeed we can: template typename T struct outer { template typename T2, typename U struct

[Bug c++/29767] partial specialization enclosed templates within the declaration of the enclosed class.

2006-11-08 Thread bangerth at dealii dot org
--- Comment #7 from bangerth at dealii dot org 2006-11-09 05:35 --- (In reply to comment #0) gcc and msvc accept such code but produces different results. is this code (in)valid? i'm not sure what behaviour is correct. The code is valid because it is a *partial* specialization

[Bug target/29818] code with SSE segfaults with gcc-3.4.6, runs fine with gcc-4.1.1

2006-11-13 Thread bangerth at dealii dot org
--- Comment #6 from bangerth at dealii dot org 2006-11-14 02:29 --- (In reply to comment #5) We can make a deal: I obfuscate and publish the code, you guys fix the bug preserving, if possible, performance. The code is really complex, and it's not realistic for me to make it smaller

[Bug c++/29704] [4.1 Regression] ICE: default non-type template argument of pointer-to-member type

2006-11-13 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-11-14 03:45 --- I believe the code is in fact invalid, based on 14.3.2/1 and this wording in 14.3.2/5: -- For a non-type template-parameter of type pointer to member function, no conversions apply. The latter

[Bug c++/29839] Template static member inherited from template class cannot be initialized

2006-11-14 Thread bangerth at dealii dot org
--- Comment #1 from bangerth at dealii dot org 2006-11-15 01:53 --- There's two problems here: first, you are missing a template in front of your definition. Second, you can't initialize static variables with type class::variable(); since this is ambiguous to declaring a function

[Bug c++/29834] g++ thinks it is a declaration when it cannot be

2006-11-14 Thread bangerth at dealii dot org
--- Comment #2 from bangerth at dealii dot org 2006-11-15 01:59 --- Confirmed. (Note that in the actual code, Doh was boost::mutex::scoped_lock. And I fear that using boost::mutex::scoped_lock like this is becoming a widespread idiom.) Ugh, this isn't an easy to read idiom... W

[Bug c++/29704] [4.1 Regression] ICE: default non-type template argument of pointer-to-member type

2006-11-14 Thread bangerth at dealii dot org
--- Comment #4 from bangerth at dealii dot org 2006-11-15 02:09 --- (In reply to comment #3) 14.3.2/1 says that a constant expression that evaluates to a null member pointer value is allowed as a non-type template argument, with an explicit reference to 4.11, which explains how

[Bug target/29818] code with SSE segfaults with gcc-3.4.6, runs fine with gcc-4.1.1

2006-11-16 Thread bangerth at dealii dot org
--- Comment #11 from bangerth at dealii dot org 2006-11-17 02:09 --- I'm only a bug master and don't do any work on the compiler anyway, so my say isn't worth much, but here's my take: You propose that you can give us 15,000 lines of obfuscated code through which we will have to dig

[Bug target/29818] code with SSE segfaults with gcc-3.4.6, runs fine with gcc-4.1.1

2006-11-16 Thread bangerth at dealii dot org
--- Comment #12 from bangerth at dealii dot org 2006-11-17 02:12 --- (In reply to comment #11) down, or to make the code significantly slower. Typically, the bug reports ^^ smaller, sorry W. -- http://gcc.gnu.org/bugzilla/show_bug.cgi

[Bug c++/20241] [4.0/4.1 Regression] ICEing with VLA in template that is type dependent

2005-02-28 Thread bangerth at dealii dot org
--- Additional Comments From bangerth at dealii dot org 2005-02-28 15:35 --- This seems to work with the latest version I have, which is from 20050130. I don't know what's going on... W. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20241

[Bug c++/20241] [4.0/4.1 Regression] ICEing with VLA in template that is type dependent

2005-02-28 Thread bangerth at dealii dot org
--- Additional Comments From bangerth at dealii dot org 2005-02-28 15:37 --- It also seems to be working with a snapshot from yesterday that I had on another machine. Andrew, can you double-check with something newer? W. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20241

[Bug c++/20234] incorrect error: class has not been declared

2005-02-28 Thread bangerth at dealii dot org
--- Additional Comments From bangerth at dealii dot org 2005-02-28 15:47 --- Kriang is our resident expert on this. A shorter testcase is this: --- class C; namespace NS { class A { friend class C; }; } using namespace NS; class C {}; C c

[Bug c++/20234] ambiguity with friend name injection and using directive

2005-02-28 Thread bangerth at dealii dot org
-- What|Removed |Added Summary|incorrect error: class has |ambiguity with friend name |not been declared |injection and using

[Bug c++/20173] [3.3/3.4/4.0/4.1 regression] gcc accepts invalid partial specialization attempt of member function

2005-02-28 Thread bangerth at dealii dot org
--- Additional Comments From bangerth at dealii dot org 2005-02-28 15:53 --- I believe the code is invalid: you try to do a partial specialization of a member function, but there is no such thing -- you need to use an overload instead. To me this looks like an accept-invalid. Here's

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