[Bug target/103271] ICE in assign_stack_temp_for_type with -ftrivial-auto-var-init=pattern and VLAs and -mno-strict-align on riscv64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103271 --- Comment #15 from qinzhao at gcc dot gnu.org --- (In reply to Richard Biener from comment #11) > > I suppose assigning TImode to a decl but not even being able to move TImode > can be a problem elsewhere... this might be the root issue that

[Bug target/55610] cc1 is calling munmap() on part of itself on darwin

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55610 --- Comment #11 from CVS Commits --- The master branch has been updated by Iain D Sandoe : https://gcc.gnu.org/g:22a982409323feb203401d345488a5a9c18e6733 commit r12-5759-g22a982409323feb203401d345488a5a9c18e6733 Author: Iain Sandoe Date:

[Bug c++/103534] New: [12 regression] Spurious -Wstringop-overflow warning with std::string concatencation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103534 Bug ID: 103534 Summary: [12 regression] Spurious -Wstringop-overflow warning with std::string concatencation Product: gcc Version: 12.0 Status: UNCONFIRMED

[Bug c++/103532] internal compiler error: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103532 Patrick Palka changed: What|Removed |Added CC||ppalka at gcc dot gnu.org

[Bug other/103011] fatal error: process.h: No such file or directory when canadian compile x86_64-w64-mingw32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103011 Jeffrey A. Law changed: What|Removed |Added CC||law at gcc dot gnu.org --- Comment #9

[Bug fortran/103505] ICE in compare_bound_mpz_t, at fortran/resolve.c:4587 since r8-7594-g078c5aff5ed83e9c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103505 anlauf at gcc dot gnu.org changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |anlauf at gcc dot

[Bug middle-end/103483] context-sensitive ranges change triggers stringop-overread

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103483 Martin Sebor changed: What|Removed |Added Keywords|missed-optimization | --- Comment #10 from Martin Sebor ---

[Bug tree-optimization/103535] [missed optimization] remainder-of-2 with subtract-1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103535 Andrew Pinski changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |pinskia at gcc dot gnu.org

[Bug tree-optimization/103535] [missed optimization] remainder-of-2 with subtract-1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103535 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug target/103470] GNU-stack section not emitted on MIPS hard-float targets with MUSL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103470 Jeffrey A. Law changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug c/103531] Propose compiler warning when ceil/ceilf used on integral value

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103531 Eyal Rozenberg changed: What|Removed |Added Summary|Prpose compiler warning |Propose compiler warning

[Bug c++/103534] [12 regression] Spurious -Wstringop-overflow warning with std::string concatencation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103534 Martin Sebor changed: What|Removed |Added Keywords||diagnostic Last reconfirmed|

[Bug tree-optimization/100366] spurious warning - std::vector::clear followed by std::vector::insert(vec.end(), ...) with -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100366 Martin Sebor changed: What|Removed |Added Known to fail||11.2.0, 12.0 Last

[Bug tree-optimization/96188] -Wstringop-overflow false positive on std::vector::push_back with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96188 Martin Sebor changed: What|Removed |Added Known to work||12.0 --- Comment #9 from Martin Sebor

[Bug c++/103534] [12 regression] Spurious -Wstringop-overflow warning with std::string concatencation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103534 Andrew Pinski changed: What|Removed |Added Keywords||alias, missed-optimization --- Comment

[Bug tree-optimization/103535] New: [missed optimization] remainder-of-2 with subtract-1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103535 Bug ID: 103535 Summary: [missed optimization] remainder-of-2 with subtract-1 Product: gcc Version: 11.2.1 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug target/103271] ICE in assign_stack_temp_for_type with -ftrivial-auto-var-init=pattern and VLAs and -mno-strict-align on riscv64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103271 --- Comment #17 from qinzhao at gcc dot gnu.org --- (In reply to Richard Biener from comment #12) > diff --git a/gcc/internal-fn.c b/gcc/internal-fn.c > index 6ac3460d538..08f94b7a17a 100644 > --- a/gcc/internal-fn.c > +++ b/gcc/internal-fn.c >

[Bug tree-optimization/97711] Failure to optimise "x & 1 ? x - 1 : x" to "x & -2"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97711 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug tree-optimization/103535] [missed optimization] remainder-of-2 with subtract-1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103535 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug tree-optimization/97711] Failure to optimise "x & 1 ? x - 1 : x" to "x & -2"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97711 Andrew Pinski changed: What|Removed |Added CC||jengelh at inai dot de --- Comment #6

[Bug c++/100102] [9 Regression] ICE in tsubst, at cp/pt.c:15310

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100102 Patrick Palka changed: What|Removed |Added CC||michaelreneer at gmail dot com ---

[Bug c++/81176] decltype(auto) yields reference type for structured binding

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81176 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org

[Bug libstdc++/103340] [12 Regression] constexpr std::string is incompatible with --enable-libstdcxx-allocator

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103340 --- Comment #5 from CVS Commits --- The master branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:e2e98f524fdb80c16e3395f20fee930fbcad5562 commit r12-5754-ge2e98f524fdb80c16e3395f20fee930fbcad5562 Author: Jonathan Wakely

[Bug rtl-optimization/103437] gcc/ira-color.c:2813:5: runtime error: signed integer overflow: 15 * 147462000 cannot be represented in type 'int'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103437 --- Comment #8 from CVS Commits --- The master branch has been updated by Vladimir Makarov : https://gcc.gnu.org/g:cd47cd4b5eb2dfa7a3190e46a3ae93cc87dbe6b1 commit r12-5756-gcd47cd4b5eb2dfa7a3190e46a3ae93cc87dbe6b1 Author: Vladimir N. Makarov

[Bug tree-optimization/82090] Bogus warning: ‘magic_p’ may be used uninitialized in this function [-Wmaybe-uninitialized]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82090 --- Comment #7 from Aldy Hernandez --- (In reply to Jeffrey A. Law from comment #6) > The other is to introduce the solver into the predicate analysis pass which > starts to touch on other ideas I've had. Namely that thread discovery and >

[Bug rtl-optimization/103437] gcc/ira-color.c:2813:5: runtime error: signed integer overflow: 15 * 147462000 cannot be represented in type 'int'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103437 --- Comment #7 from CVS Commits --- The master branch has been updated by Vladimir Makarov : https://gcc.gnu.org/g:7d02c8bf75980fa2468f4167a82dd3a619e35cb4 commit r12-5717-g7d02c8bf75980fa2468f4167a82dd3a619e35cb4 Author: Vladimir N. Makarov

[Bug libstdc++/103340] [12 Regression] constexpr std::string is incompatible with --enable-libstdcxx-allocator

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103340 Jonathan Wakely changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/103226] [12 Regression] Recent change to copy-headers causes execution failure for gcc.dg/torture/pr80974

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103226 Hans-Peter Nilsson changed: What|Removed |Added CC||hp at gcc dot gnu.org --- Comment

[Bug analyzer/103526] -fanalyzer considers memcpy()ed and returned pointer to malloc()ed memory a memory leak

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103526 David Malcolm changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c++/103532] New: internal compiler error: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103532 Bug ID: 103532 Summary: internal compiler error: Segmentation fault Product: gcc Version: og10 (devel/omp/gcc-10) Status: UNCONFIRMED Severity: normal Priority: P3

[Bug libstdc++/103381] [9/10/11 Regression] --enable-libstdcxx-allocator=bitmap doesn't build

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103381 --- Comment #8 from CVS Commits --- The master branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:e2e98f524fdb80c16e3395f20fee930fbcad5562 commit r12-5754-ge2e98f524fdb80c16e3395f20fee930fbcad5562 Author: Jonathan Wakely

[Bug libstdc++/103400] src/c++98/*_allocator.cc symbols not exported

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103400 --- Comment #3 from CVS Commits --- The master branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:e2e98f524fdb80c16e3395f20fee930fbcad5562 commit r12-5754-ge2e98f524fdb80c16e3395f20fee930fbcad5562 Author: Jonathan Wakely

[Bug libstdc++/103400] src/c++98/*_allocator.cc symbols not exported

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103400 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/103271] ICE in assign_stack_temp_for_type with -ftrivial-auto-var-init=pattern and VLAs and -mno-strict-align on riscv64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103271 --- Comment #16 from Jim Wilson --- I have a patch to add movti to the riscv port. I agree that we should be adding this. I just unfortunately had a kitchen accident and had take some time off before I finished it. I noticed that a comment

[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 102467, which changed state. Bug 102467 Summary: Missed SLP discovery for gathers https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102467 What|Removed |Added

[Bug tree-optimization/102467] Missed SLP discovery for gathers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102467 rsandifo at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED

[Bug analyzer/103526] -fanalyzer considers memcpy()ed and returned pointer to malloc()ed memory a memory leak

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103526 David Malcolm changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/103364] s390x: TLS reference in /usr/lib64/libLLVM.so mismatches non-TLS reference in /usr/lib64/libLLVM.so

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103364 --- Comment #15 from Andreas Krebbel --- (In reply to Sarah Julia Kriesch from comment #0) ... > Full PostgreSQL log: > https://build.opensuse.org/build/openSUSE:Factory:zSystems/standard/s390x/ > postgresql14/_log > > Full Rust log: >

[Bug analyzer/103526] -fanalyzer considers memcpy()ed and returned pointer to malloc()ed memory a memory leak

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103526 --- Comment #2 from CVS Commits --- The master branch has been updated by David Malcolm : https://gcc.gnu.org/g:38a0ee2649ef236ea2763bb9cfc42dc917c7d3fd commit r12-5757-g38a0ee2649ef236ea2763bb9cfc42dc917c7d3fd Author: David Malcolm Date:

[Bug target/103383] Microblaze bswaphi2 can cause issues with delay slots

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103383 --- Comment #7 from Michael Eager --- Do you have a test case which shows the problem?

[Bug middle-end/103364] s390x: TLS reference in /usr/lib64/libLLVM.so mismatches non-TLS reference in /usr/lib64/libLLVM.so

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103364 --- Comment #16 from Sarah Julia Kriesch --- Sorry! I thought I have created these links as a logged out user. Here are the public links. PostgreSQL14:

[Bug analyzer/103533] New: Enable "taint" state machine with -fanalyzer without requiring -fanalyzer-checker=taint

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103533 Bug ID: 103533 Summary: Enable "taint" state machine with -fanalyzer without requiring -fanalyzer-checker=taint Product: gcc Version: 12.0 Status: UNCONFIRMED

[Bug c++/103534] [12 regression] Spurious -Wstringop-overflow warning with std::string concatencation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103534 --- Comment #3 from Jonathan Wakely --- (In reply to Andrew Pinski from comment #2) > I also noticed that with -std=c++17 (or before), the constructor for > std::string is not inlined fully for both std::string objects which avoids > the false

[Bug c++/66935] Compiler rejects well-formed program with local extern variable declaration and using-declaration

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66935 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2021-12-03 Status|RESOLVED

[Bug tree-optimization/103536] New: Suboptimal codegen for && and || combination.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103536 Bug ID: 103536 Summary: Suboptimal codegen for && and || combination. Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3

[Bug target/102376] [aarch64] using target("sve") attribute without a + is not very helpful on what is wrong

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102376 Andrew Pinski changed: What|Removed |Added Status|ASSIGNED|RESOLVED Target Milestone|---

[Bug c++/66934] Compiler accepting ill-formed program with extern variable declarations and using-declaration

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66934 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug c++/63217] template conversion operator returning const reference not used for conversion in some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63217 --- Comment #9 from Andrew Pinski --- Other related ones: http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#493 http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#322

[Bug c++/103534] [12 regression] Spurious -Wstringop-overflow warning with std::string concatencation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103534 --- Comment #4 from Martin Sebor --- Yes, the warning does disappear when malloc() and free() are used instead of operator new and delete. foo() also ends up much better optimized, even at -O1: __attribute__((abi_tag ("cxx11"))) struct string

[Bug c++/71886] Incorrect error on operator() being an member in template

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71886 Andrew Pinski changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

[Bug c++/71755] friend function may not be defined inside a class using a qualified name but GCC allows that

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71755 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |10.0

[Bug c++/95074] Function found via ADL when it should not

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95074 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |11.0

[Bug c++/79035] Rejects valid code due to failure to use user const conversion template operator

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79035 --- Comment #1 from Andrew Pinski --- ICC also rejects this for the same reason as GCC. MSVC and clang both accept it though.

[Bug c++/63217] template conversion operator returning const reference not used for conversion in some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63217 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug c++/61587] Line number of code that triggers "use of deleted function" error is absent from error message

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61587 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement Last

[Bug c++/70446] g++: internal compiler error: Killed (program cc1plus), probably related to vectors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70446 Andrew Pinski changed: What|Removed |Added Resolution|--- |WORKSFORME

[Bug c++/63217] template conversion operator returning const reference not used for conversion in some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63217 Andrew Pinski changed: What|Removed |Added Blocks||94404 Alias|

[Bug c++/61663] [DR 976] Deduction for const T& conversion functions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61663 Andrew Pinski changed: What|Removed |Added CC||rs2740 at gmail dot com --- Comment #3

[Bug c++/94404] [meta-bug] C++ core issues

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94404 Bug 94404 depends on bug 63217, which changed state. Bug 63217 Summary: template conversion operator returning const reference not used for conversion in some cases https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63217 What|Removed

[Bug middle-end/103530] ICE: in execute, at gimple-harden-conditionals.cc:397 with -O -fharden-compares

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103530 --- Comment #2 from Andrew Pinski --- gcc_checking_assert (TREE_CODE (TREE_TYPE (lhs)) == BOOLEAN_TYPE); This assert is incorrect because useless_type_conversion_p has the following code: /* If both the inner and outer types are

[Bug c++/71841] variadic template can't cast to base class

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71841 Andrew Pinski changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug c++/66934] Compiler accepting ill-formed program with extern variable declarations and using-declaration

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66934 --- Comment #9 from Andrew Pinski --- (In reply to Anders Granlund from comment #4) > I'm pulling in this test case from my related bug report. > > int x = 1; > > int main() { > extern int x; > using ::x; > } This is

[Bug c++/66934] Compiler accepting ill-formed program with extern variable declarations and using-declaration

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66934 Andrew Pinski changed: What|Removed |Added Known to work||8.1.0 Last reconfirmed|

[Bug c++/102647] Wrong caret location for 'attribute directive ignored' warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102647 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug c++/63217] template conversion operator returning const reference not used for conversion in some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63217 --- Comment #7 from Andrew Pinski --- ICC also rejects this for the same reason as GCC. MSVC and clang both accept it though. Could there be a defect report for this?

[Bug c++/79035] Rejects valid code due to failure to use user const conversion template operator

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79035 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE

[Bug c++/63217] template conversion operator returning const reference not used for conversion in some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63217 Andrew Pinski changed: What|Removed |Added CC||vz at quantitativesystems dot com ---

[Bug c++/83756] [9/10/11/12 Regression] gcc ICE in gimplify_expr on boost::call_once (-fms-extensions)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83756 Andrew Pinski changed: What|Removed |Added CC||lh_mouse at 126 dot com --- Comment #13

[Bug c++/53402] [C++11] non-inline namespace can be wrongly re-opened as inline

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53402 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug c++/79766] inline namespace and ::

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79766 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |8.0

[Bug c++/66878] Segmentation fault when compiling

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66878 Andrew Pinski changed: What|Removed |Added Known to work||11.1.0 Status|RESOLVED

[Bug c++/66901] Segmentation fault in compiler instead of error message for ill-formed program with namespace alias and qualified definition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66901 Andrew Pinski changed: What|Removed |Added Known to work||8.1.0, 9.1.0 Ever confirmed|0

[Bug c++/85776] ICE when compiling `boost::thread` with `-std=c++11` on mingw-w64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85776 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug rtl-optimization/93027] ICE: in match_reload, at lra-constraints.c:1060

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93027 Alexandre Oliva changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug c++/68699] Wrong location_t due to template instance canonicalization when setting location_t values on expressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68699 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug rtl-optimization/103028] ICE in extract_constrain_insn, at recog.c:2670

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103028 --- Comment #5 from Andrew Pinski --- (In reply to Alexandre Oliva from comment #4) > Andrew, > > asm("":"=g"(tt):"g"(t)); > asm("":"=g"(ii):"g"(i)); > > Make it "0" for the inputs: > > asm("":"=g"(tt):"0"(t)); Oh yes sorry I did make

[Bug c++/98939] [C++23] Implement P1787R6 "Declarations and where to find them"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98939 --- Comment #6 from Andrew Pinski --- Note I think this paper applies to C++20 too or at least part of it. >From CWG1291: [Accepted at the November, 2020 meeting as part of paper P1787R6 and moved to DR at the February, 2021 meeting.]

[Bug c++/86619] Missed optimization opportunity with array aliasing

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86619 --- Comment #5 from Andrew Pinski --- I Noticed clang, ICC nor MSVC either handle this either. Note GCC is the only one which handles : int f(std::array & a, std::array & b) { a[0] = 1; b[0] = 1; return a[0]; }

[Bug c++/87282] Invalid use of 'void', in unevaluated context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87282 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug c++/99931] Unnamed `struct` defined with `using` having internal linkage instead of external, unlike `typedef`, yielding different semantics for two

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99931 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/79318] [DR 1726] conversion member function preceded with & is not marked as error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79318 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2021-12-03

[Bug c++/86598] Incorrect lexing of pp-numbers in C++11 due to hexfloat extension

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86598 --- Comment #4 from Andrew Pinski --- Here is a full testcase that still fails: template struct Units{int operator+(int);}; class Amp{}; Units operator"" _amp(unsigned long long d); int k = 4_amp+1; // incorrect error: no literal operator ""

[Bug c++/69701] "v.operator T()" incorrectly parsed if "v.T()" present.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69701 --- Comment #6 from Andrew Pinski --- http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1291 [Accepted at the November, 2020 meeting as part of paper P1787R6 and moved to DR at the February, 2021 meeting.] So there is a defect

[Bug preprocessor/23827] standard C++ should not have hex float preprocessing tokens

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=23827 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |6.0

[Bug c++/87235] g++ doesn't implement sparse initialisation of arrays

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87235 Andrew Pinski changed: What|Removed |Added Keywords||diagnostic

[Bug c++/48850] Bogus overflow in constant expression warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48850 Andrew Pinski changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug c/103531] Propose compiler warning when ceil/ceilf used on integral value

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103531 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org

[Bug rtl-optimization/103028] ICE in extract_constrain_insn, at recog.c:2670

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103028 --- Comment #4 from Alexandre Oliva --- Andrew, asm("":"=g"(tt):"g"(t)); asm("":"=g"(ii):"g"(i)); Make it "0" for the inputs: asm("":"=g"(tt):"0"(t)); and AFAICT if you "detach" the immediate constant, you won't get the bug. The

[Bug rtl-optimization/103028] ICE in extract_constrain_insn, at recog.c:2670

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103028 --- Comment #6 from Alexandre Oliva --- This will probably avoid the error. valid_insn_p checks the alternatives, and fails for the invalid cmpdi_ccu that we attempt to create. Conceivably, this could be avoided by narrowing down the

[Bug c++/61457] [C++11/14 only] Inaccurately refusing non-ODR usage of type with no linkage

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61457 Andrew Pinski changed: What|Removed |Added Summary|Inaccurately refusing |[C++11/14 only]

[Bug c++/86743] [c++98] Compilation failure when initializing POD structs containing constant member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86743 Andrew Pinski changed: What|Removed |Added Summary|Compilation failure when|[c++98] Compilation failure

[Bug c++/78173] Hard error subtracting pointers to incomplete type in SFINAE context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78173 Andrew Pinski changed: What|Removed |Added CC||delrieutheo at gmail dot com ---

[Bug c++/87282] Invalid use of 'void', in unevaluated context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87282 --- Comment #3 from Andrew Pinski --- (In reply to Andrew Pinski from comment #2) > Dup of bug 78173. I should say this was fixed in GCC 11+

[Bug c++/57239] cannot handle inner/nested class templates with non-type parameter packs that were declared in the outer/containing class

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57239 --- Comment #14 from Andrew Pinski --- clang accepts the reduced testcase in comment #1 but MSVC and ICC both reject it too. MSVC: (18): error C3201: the template parameter list for class template 'Foo' does not match the template parameter

[Bug c++/69701] "v.operator T()" incorrectly parsed if "v.T()" present.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69701 --- Comment #3 from Andrew Pinski --- ICC also rejects this for the same reason as GCC while both MSVC and clang accept it. Maybe there is a defect report about this.

[Bug c++/69701] "v.operator T()" incorrectly parsed if "v.T()" present.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69701 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug c++/69701] "v.operator T()" incorrectly parsed if "v.T()" present.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69701 Andrew Pinski changed: What|Removed |Added Keywords|accepts-invalid | --- Comment #5 from Andrew Pinski ---

[Bug c++/60551] __attribute__((unused)) is ignored for 'static' declarations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60551 Andrew Pinski changed: What|Removed |Added Summary|__attribute__((used)) is|__attribute__((unused)) is

[Bug c++/60277] Bogus "inline function virtual ..." used but never defined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60277 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |9.3 Resolution|---

[Bug c++/72777] broken error message with reference in constexpr arguments in c++11 mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72777 Jiang An changed: What|Removed |Added CC||de34 at live dot cn --- Comment #2 from

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