[Bug bootstrap/80887] gnat bootstrap fails at s-regpat.o: raised STORAGE_ERROR : stack overflow or erroneous memory access

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80887 --- Comment #9 from Marc Glisse --- C testcase that ICEs (when the patch is installed): int pos; void f(){ ++pos; unsigned u=(unsigned)pos-1; int a = pos; unsigned t1=a-1; unsigned t2=(unsigned)a-2; } where again, during FRE1,

[Bug tree-optimization/80944] redundant memcpy/memset with non-constant size not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80944 --- Comment #1 from Marc Glisse --- (In reply to Martin Sebor from comment #0) > struct S { char *s; unsigned n; }; > > void f (struct S *s) > { > __builtin_memset (s->s, 0, s->n); > __builtin_free (s->s); > __builtin_memset (s, 0, sizeof

[Bug objc/80949] New: ICE in do_warn_duplicated_branches_r

UTOHEADER=/usr/local/bin/autoheader AUTORECONF=/usr/local/bin/autoreconf AUTOM4TE=/usr/local/bin/autom4te AUTOSCAN=/usr/local/bin/autoscan AUTOUPDATE=/usr/local/bin/autoupdate IFNAMES=/usr/local/bin/ifnames Thread model: posix gcc version 8.0.0 20170601 (experimental) (GCC)

[Bug tree-optimization/80948] [8 regression] test case gcc.dg/torture/pr68017.c fails with ICE starting with r248771

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80948 Paul Hua changed: What|Removed |Added CC||paul.hua.gm at gmail dot com --- Comment #1

[Bug c/51628] __attribute__((packed)) is unsafe in some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51628 Eric Gallager changed: What|Removed |Added CC||egall at gwmail dot gwu.edu --- Comment

[Bug c++/62315] do not print typename in diagnostic if the original code does not have it

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62315 Paolo Carlini changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug tree-optimization/80948] New: [8 regression] test case gcc.dg/torture/pr68017.c fails with ICE starting with r248771

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80948 Bug ID: 80948 Summary: [8 regression] test case gcc.dg/torture/pr68017.c fails with ICE starting with r248771 Product: gcc Version: 8.0 Status: UNCONFIRMED

[Bug c++/80947] New: Different visibility for the lambda and its capture list members with -fvisibility=hidden

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80947 Bug ID: 80947 Summary: Different visibility for the lambda and its capture list members with -fvisibility=hidden Product: gcc Version: 6.3.0 Status: UNCONFIRMED

[Bug c/53037] warn_if_not_aligned(X)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53037 --- Comment #20 from Martin Sebor --- It would be useful to have the ability to trigger a warning when an object of a type with an explicitly specified alignment (even if the alignment matches its own native one) is defined in a way that would

[Bug tree-optimization/80934] bzero should be assumed not to escape pointer argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80934 Martin Sebor changed: What|Removed |Added Keywords||patch --- Comment #2 from Martin Sebor

[Bug tree-optimization/80933] redundant bzero/bcopy calls not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80933 Martin Sebor changed: What|Removed |Added Keywords||patch --- Comment #5 from Martin Sebor

[Bug fortran/80945] Invalid code with allocatable character array in READ/WRITE statement

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80945 --- Comment #3 from Thomas Koenig --- Really strange - the tree dumps look OK at first glance. D.3543 = (sizetype) NON_LVALUE_EXPR <.ca>; and later on parm.3.dtype = ((integer(kind=8)) SAVE_EXPR << 6) + 49;

[Bug c++/80943] Conversion function selected in list-initialization in C++1z mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80943 --- Comment #1 from Barry Revzin --- Sorry, it's a bug, but not for the reasons I cited. Both T t(s) and T t{s} should consider constructors - which should find T(S const& ) and T(T&& ) by way of the conversion function. But the former is an

[Bug ada/80921] cross compiling fails to build Ada shared libraries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80921 --- Comment #14 from Eric Botcazou --- > That's not strictly true; while they may not be essential, import libraries > are, by no means, obsolete. The search order, for the Windows linker[1], is: > > libfoo.dll.a > foo.dll.a > libfoo.a >

[Bug other/80946] New: [8 regression] test cases gfortran.dg/vect/vect-2.f90 and gfortran.dg/vect/vect-5.f90 fail starting with r247544

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80946 Bug ID: 80946 Summary: [8 regression] test cases gfortran.dg/vect/vect-2.f90 and gfortran.dg/vect/vect-5.f90 fail starting with r247544 Product: gcc Version: 8.0

[Bug fortran/80945] Invalid code with allocatable character array in READ/WRITE statement

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80945 Thomas Koenig changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug fortran/80945] Invalid code with allocatable character array in READ/WRITE statement

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80945 --- Comment #1 from Thomas Koenig --- 1. write also fails (no surprise there) 2. ca is OK, ca(1:3) is not. $ cat u.f90 program main implicit none integer:: i integer, parameter:: N = 10 character(len=:),

[Bug c/69502] attribute aligned reduces alignment contrary to documentation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69502 Martin Sebor changed: What|Removed |Added Keywords||documentation

[Bug c/51628] __attribute__((packed)) is unsafe in some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51628 Martin Sebor changed: What|Removed |Added CC||msebor at gcc dot gnu.org See

[Bug target/80618] [8 regression] test case gcc.dg/pr50310-2.c fails with ICE starting with 247544

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80618 --- Comment #9 from seurer at gcc dot gnu.org --- Segher's revision fixed the ICEs but the 4 other test case failures were due to this (r247544) revision. gcc.dg/vect/vect-50.c gcc.dg/vect/vect-44.c gfortran.dg/vect/vect-2.f90

[Bug c++/69953] [5/6 Regression] Using lto causes gtkmm/gparted and gtkmm/inkscape compile to fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69953 --- Comment #31 from DB --- Uh, sorry. I mean when compiling my own application against glibmm and gtkmm, using LTO on my app (only).

[Bug c++/69953] [5/6 Regression] Using lto causes gtkmm/gparted and gtkmm/inkscape compile to fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69953 DB changed: What|Removed |Added CC||db0451 at gmail dot com --- Comment #30 from DB

[Bug fortran/80945] New: Invalid code with allocatable character array in READ/WRITE statement

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80945 Bug ID: 80945 Summary: Invalid code with allocatable character array in READ/WRITE statement Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug ada/80921] cross compiling fails to build Ada shared libraries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80921 --- Comment #13 from Keith Marshall --- (In reply to Eric Botcazou from comment #7) > > With that in place, a clean configure and build does now produce: > > > > gcc/ada/rts/libgnarl-6.dll > > gcc/ada/rts/libgnat-6.dll > > > > but there are no

[Bug c/53037] warn_if_not_aligned(X)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53037 --- Comment #19 from H.J. Lu --- (In reply to Martin Sebor from comment #18) > This seems like a useful enhancement. H.J., what is the status of the > patch? Do you have plans to submit it? I was not sure if there were enough interests. I

[Bug c/53037] warn_if_not_aligned(X)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53037 Martin Sebor changed: What|Removed |Added Keywords||diagnostic

[Bug tree-optimization/80944] New: redundant memcpy/memset with non-constant size not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80944 Bug ID: 80944 Summary: redundant memcpy/memset with non-constant size not eliminated Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal

[Bug c++/80943] New: Conversion function selected in list-initialization in C++1z mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80943 Bug ID: 80943 Summary: Conversion function selected in list-initialization in C++1z mode Product: gcc Version: 7.1.0 Status: UNCONFIRMED Severity: normal

[Bug other/80803] libgo appears to be miscompiled on powerpc64le since r247497

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80803 --- Comment #24 from Bill Schmidt --- Sadly, no. This continues to be a problem on r248791.

[Bug tree-optimization/80933] redundant bzero/bcopy calls not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80933 --- Comment #4 from Martin Sebor --- There is so much special handling of all these built-ins in so many places that makes keeping them all in sync with one another tricky business. I think it would help if more of the salient properties of the

[Bug other/80803] libgo appears to be miscompiled on powerpc64le since r247497

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80803 --- Comment #23 from Bill Schmidt --- Testing now...

[Bug c/80942] New: -Woverlength-strings should no longer be implied by -Wpedantic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80942 Bug ID: 80942 Summary: -Woverlength-strings should no longer be implied by -Wpedantic Product: gcc Version: 6.3.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/80925] [8 Regression] vect peeling failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80925 --- Comment #8 from Bill Schmidt --- The cost modeling doesn't explain failures on P6 and P7, I guess. For P8 we consider unaligned loads to be the same cost as aligned loads (this is a small lie because of boundary-crossing costs, but these

[Bug web/80941] New: Broken bookmarks on GCC internals PDF available online

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80941 Bug ID: 80941 Summary: Broken bookmarks on GCC internals PDF available online Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug middle-end/66313] Unsafe factorization of a*b+a*c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66313 Richard Biener changed: What|Removed |Added Known to work||8.0 Known to fail|

[Bug tree-optimization/80933] redundant bzero/bcopy calls not eliminated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80933 --- Comment #3 from Richard Biener --- No we don't - we expand it as it were memset. But yes, we should canonicalize it so as well (the call to bzero is shorter with -Os, but I guess that doesn't really matter).

[Bug rtl-optimization/80930] REE pass causes high memory usage via df_mir_alloc() with ASAN+UBSAN turned on

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80930 Richard Biener changed: What|Removed |Added Keywords||memory-hog

[Bug c++/57891] No diagnostic of narrowing conversion in non-type template argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57891 Jonathan Wakely changed: What|Removed |Added CC||akrzemi1 at gmail dot com --- Comment

[Bug c++/70500] Template deduction should fail on narrowing conversion

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70500 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug libstdc++/80940] New: Private inheritance from std::ostream - compilation error for custom operator <

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80940 Bug ID: 80940 Summary: Private inheritance from std::ostream - compilation error for custom operator << Product: gcc Version: 7.1.1 Status: UNCONFIRMED

[Bug other/80803] libgo appears to be miscompiled on powerpc64le since r247497

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80803 --- Comment #22 from Martin Jambor --- So, PR 80898 is now fixed. Can you please check if this is perhaps a duplicate? It may as well be.

[Bug tree-optimization/80898] [8 Regression] wrong code at -O2 and -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80898 Martin Jambor changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/80898] [8 Regression] wrong code at -O2 and -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80898 --- Comment #6 from Martin Jambor --- Author: jamborm Date: Thu Jun 1 12:14:29 2017 New Revision: 248790 URL: https://gcc.gnu.org/viewcvs?rev=248790=gcc=rev Log: [PR 80898] Propagate grp_write from disqualified SRA candidates 2017-06-01

[Bug c++/65043] Expected narrowing conversion during list initialization of bool from double

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65043 Jonathan Wakely changed: What|Removed |Added Keywords||accepts-invalid

[Bug c++/80691] Narrowing conversion in {} allowed in a SFINAE context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80691 --- Comment #4 from Jonathan Wakely --- N.B. Bug 78244 is similar, and not restricted to C++17.

[Bug c++/80737] variant as class member resulting to compile errors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80737 Jonathan Wakely changed: What|Removed |Added Keywords||rejects-valid

[Bug c++/80812] [8 Regression] ICE: in build_value_init_noctor, at cp/init.c:483

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80812 Ville Voutilainen changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/80812] [8 Regression] ICE: in build_value_init_noctor, at cp/init.c:483

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80812 --- Comment #4 from ville at gcc dot gnu.org --- Author: ville Date: Thu Jun 1 11:09:41 2017 New Revision: 248788 URL: https://gcc.gnu.org/viewcvs?rev=248788=gcc=rev Log: PR c++/80812 cp/ PR c++/80812 * method.c (constructible_expr): Strip

[Bug ada/80921] cross compiling fails to build Ada shared libraries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80921 Eric Botcazou changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug ada/80921] cross compiling fails to build Ada shared libraries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80921 --- Comment #11 from Eric Botcazou --- Author: ebotcazou Date: Thu Jun 1 10:52:29 2017 New Revision: 248787 URL: https://gcc.gnu.org/viewcvs?rev=248787=gcc=rev Log: PR ada/80921 * configure.ac (default_gnatlib_target): Remove

[Bug ada/80921] cross compiling fails to build Ada shared libraries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80921 --- Comment #10 from Eric Botcazou --- Author: ebotcazou Date: Thu Jun 1 10:51:50 2017 New Revision: 248786 URL: https://gcc.gnu.org/viewcvs?rev=248786=gcc=rev Log: PR ada/80921 * configure.ac (default_gnatlib_target): Remove

[Bug ada/80921] cross compiling fails to build Ada shared libraries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80921 --- Comment #9 from Eric Botcazou --- Author: ebotcazou Date: Thu Jun 1 10:51:15 2017 New Revision: 248785 URL: https://gcc.gnu.org/viewcvs?rev=248785=gcc=rev Log: PR ada/80921 * configure.ac (default_gnatlib_target): Remove

[Bug ada/80921] cross compiling fails to build Ada shared libraries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80921 --- Comment #8 from Eric Botcazou --- > Looking in the build log, (i.e. output from 'make 2>&1 | tee build.log'), I > now see the commands which create these DLLs; in both cases, they invoke: > > mingw32-gcc -shared -shared-libgcc ... > >

[Bug ada/80921] cross compiling fails to build Ada shared libraries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80921 --- Comment #7 from Eric Botcazou --- > With that in place, a clean configure and build does now produce: > > gcc/ada/rts/libgnarl-6.dll > gcc/ada/rts/libgnat-6.dll > > but there are no accompanying import libraries, (as there are for other >

[Bug c++/80896] [[nodiscard]] is ignored for functions returning references

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80896 --- Comment #2 from paolo at gcc dot gnu.org --- Author: paolo Date: Thu Jun 1 10:20:27 2017 New Revision: 248784 URL: https://gcc.gnu.org/viewcvs?rev=248784=gcc=rev Log: /cp 2017-06-01 Paolo Carlini PR

[Bug c++/80896] [[nodiscard]] is ignored for functions returning references

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80896 Paolo Carlini changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug sanitizer/80932] UBSAN: false positive as a result of distribution: c1*(c2*v1-c3*v2)=>c1*c2*v1-c1*c3*v2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80932 Marek Polacek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug fortran/77420] [5/6/7 Regression] gfortran and equivalence produces internal compiler error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77420 --- Comment #11 from Rolf Sander --- OK. Thanks for the explanations!

[Bug fortran/77420] [5/6/7 Regression] gfortran and equivalence produces internal compiler error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77420 --- Comment #10 from Dominique d'Humieres --- > The status says "RESOLVED FIXED", what does this mean? It means that the gfortran maintainer has done his job. > When will the bug fix be applied? On the trees after the dates and revisions in

[Bug testsuite/80759] gcc.target/x86_64/abi/ms-sysv FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80759 --- Comment #21 from Daniel Santos --- (In reply to r...@cebitec.uni-bielefeld.de from comment #20) > > failures, but if you call dg-runtest, you are using gcc's hack-daptation of > > parallelization. However, your patch doesn't remove *my*

[Bug fortran/80931] ICE on move_alloc in gimplify_expr, at gimplify.c:11335

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80931 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug fortran/77420] [5/6/7 Regression] gfortran and equivalence produces internal compiler error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77420 --- Comment #9 from Rolf Sander --- The status says "RESOLVED FIXED", what does this mean? When will the bug fix be applied? I'm using Linux Mint 18, and so far there was no new version in the update manager :-(

[Bug ada/80921] Cross compiling for mingw32 target fails to build Ada shared libraries

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80921 --- Comment #6 from Keith Marshall --- (In reply to Keith Marshall from comment #5) > ... a clean configure and build does now produce: > > gcc/ada/rts/libgnarl-6.dll > gcc/ada/rts/libgnat-6.dll > > but there are no accompanying import

[Bug tree-optimization/80925] [8 Regression] vect peeling failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80925 --- Comment #7 from rdapp at linux dot vnet.ibm.com --- I could reproduce the fails on a power8 machine now. Looking at the vect-28.c FAIL now - the loop to be vectorized is: for (i = 0; i < N; i++) { ia[i+off] = 5; } It still

[Bug middle-end/66313] Unsafe factorization of a*b+a*c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66313 --- Comment #22 from Richard Biener --- Author: rguenth Date: Thu Jun 1 08:05:24 2017 New Revision: 248771 URL: https://gcc.gnu.org/viewcvs?rev=248771=gcc=rev Log: 2017-06-01 Richard Biener PR middle-end/66313

[Bug libstdc++/80939] New: Various helper function templates in incorrectly marked constexpr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80939 Bug ID: 80939 Summary: Various helper function templates in incorrectly marked constexpr Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal