[Bug ipa/80899] [5/6/7/8 Regression] Devirtualization causes incorrect code generation with placement new in some cases

2017-05-27 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80899 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |5.5

[Bug c/80898] New: wrong code at -O2 and -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu

2017-05-27 Thread chengniansun at gmail dot com
-linux-gnu/8.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-source-trunk/configure --enable-languages=c,c++,lto --prefix=/usr/local/gcc-trunk --disable-bootstrap Thread model: posix gcc version 8.0.0 20170527 (experimental) [trunk revision 248540] (GCC) $ $ gcc-trunk -m32 -O3

[Bug c/80900] New: wrong code at -O2 and -O3 in both 32-bit and 64-bit modes on x86_64-linux-gnu

2017-05-27 Thread chengniansun at gmail dot com
=/usr/local/gcc-trunk --disable-bootstrap Thread model: posix gcc version 8.0.0 20170527 (experimental) [trunk revision 248540] (GCC) $ $ gcc-trunk -m32 -O3 small.c ; ./a.out 0 $ gcc-trunk -m32 -Os small.c ; ./a.out 3 $ cat small.c int printf(const char *, ...); struct S0 { int f0 : 24; int f1

[Bug tree-optimization/80899] New: Devirtualization causes incorrect code generation with placement new in some cases

2017-05-27 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80899 Bug ID: 80899 Summary: Devirtualization causes incorrect code generation with placement new in some cases Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords

[Bug fortran/35339] Improve translation of implied do loop in transfer

2017-05-27 Thread koenigni at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35339 Nicolas Koenig changed: What|Removed |Added Attachment #41420|0 |1 is obsolete|

[Bug target/80865] broken compilation on Mac OS X 10.5 / powerpc: unrecognizable insn

2017-05-27 Thread iains at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80865 --- Comment #1 from Iain Sandoe --- please could you apply the patches attached to : https://gcc.gnu.org/ml/gcc-testresults/2017-01/msg02971.html I suspect that you're reporting a pre-existing condition. now we're back in stage #1 - we could po

[Bug ada/80897] New: [8.0] [sparc64] GNAT BUG , 20170520 (experimental) [trunk 248308]

2017-05-27 Thread matorola at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80897 Bug ID: 80897 Summary: [8.0] [sparc64] GNAT BUG , 20170520 (experimental) [trunk 248308] Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

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

2017-05-27 Thread iamsupermouse at mail dot ru
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80896 Bug ID: 80896 Summary: [[nodiscard]] is ignored for functions returning references Product: gcc Version: 7.1.0 Status: UNCONFIRMED Severity: normal Pr

[Bug tree-optimization/80894] [8 Regression] 456.hmmer in SPEC CPU 2006 is miscompiled

2017-05-27 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80894 --- Comment #3 from Marc Glisse --- I built the latest version of hmmer from upstream on x86_64-linux and make check succeeded. I did it again with -O2 -ffast-math -funsigned-char in CFLAGS, and got a single failure in sse-utest both with my patc

[Bug tree-optimization/80894] [8 Regression] 456.hmmer in SPEC CPU 2006 is miscompiled

2017-05-27 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80894 --- Comment #2 from Marc Glisse --- Is there a way I can reproduce that? I don't think I have access to SPEC. Would using a regular upstream hmmer work? Is that just running make test? Or do you have before/after dumps?

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

2017-05-27 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80887 --- Comment #7 from Jakub Jelinek --- Author: jakub Date: Sat May 27 07:46:12 2017 New Revision: 248533 URL: https://gcc.gnu.org/viewcvs?rev=248533&root=gcc&view=rev Log: PR bootstrap/80887 2017-05-25 Marc Glisse * ma