[Bug tree-optimization/86816] [8/9 Regression] ICE: SIGSEGV in tree-ssa-pre / tail_merge_optimize

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86816 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/86820] [8 regression] gcc-8 miscompiles binutils on m68k

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86820 Richard Biener changed: What|Removed |Added Priority|P3 |P4 Known to work|

[Bug c++/86823] [6/7/8/9 Regression] private member template struct/class is publicly accessible

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86823 Richard Biener changed: What|Removed |Added Keywords||accepts-invalid Target Milestone|---

[Bug c++/86825] g++.old-deja/g++.pt/ptrmem10.C test fails on windows targets

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86825 Richard Biener changed: What|Removed |Added Version|unknown |9.0 --- Comment #1 from Richard Biener

[Bug tree-optimization/86824] [9 Regression] internal compiler error: in replace_stmt, at tree-vectorizer.c:611

2018-08-02 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86824 rsandifo at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED C

[Bug middle-end/86763] [8/9 Regression] Wrong code comparing member of copy of a 237 byte object with nontrivial default constructor on x86-64 arch

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86763 Richard Biener changed: What|Removed |Added Keywords||alias Status|NEW

[Bug middle-end/86763] [7/8/9 Regression] Wrong code comparing member of copy of a 237 byte object with nontrivial default constructor on x86-64 arch

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86763 Richard Biener changed: What|Removed |Added Known to work||6.4.0 Summary|[8/9 Regressio

[Bug target/86774] Alpha port needs updating for CVE-2017-5753

2018-08-02 Thread mcree at orcon dot net.nz
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86774 Michael Cree changed: What|Removed |Added CC||mcree at orcon dot net.nz --- Comment #2

[Bug c++/86763] [7/8/9 Regression] Wrong code comparing member of copy of a 237 byte object with nontrivial default constructor on x86-64 arch

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86763 Richard Biener changed: What|Removed |Added Status|ASSIGNED|NEW CC|

[Bug c++/86763] [7/8/9 Regression] Wrong code comparing member of copy of a 237 byte object with nontrivial default constructor on x86-64 arch

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86763 --- Comment #9 from Richard Biener --- The following seems to work, will test. Index: gcc/cp/class.c === --- gcc/cp/class.c (revision 263209) +++ gcc/cp/class.c (working c

[Bug c/86827] New: -Warray-bounds produces negative indicies

2018-08-02 Thread liuw at liuw dot name
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86827 Bug ID: 86827 Summary: -Warray-bounds produces negative indicies Product: gcc Version: 8.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug c++/86763] [7/8/9 Regression] Wrong code comparing member of copy of a 237 byte object with nontrivial default constructor on x86-64 arch

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86763 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c/86827] [8/9 Regression] -Warray-bounds produces negative indicies

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86827 Richard Biener changed: What|Removed |Added Keywords||diagnostic CC|

[Bug target/86802] riscv port needs updating for CVE-2017-5753

2018-08-02 Thread rearnsha at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86802 --- Comment #2 from Richard Earnshaw --- I think the best thing to do in that case is to leave the port unfixed until such time as you know what mitigation is appropriate. That way the compiler will not define __HAVE_SPECULATION_SAFE_VALUE and u

[Bug target/85434] Address of stack protector guard spilled to stack on ARM

2018-08-02 Thread thopre01 at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85434 --- Comment #18 from Thomas Preud'homme --- Author: thopre01 Date: Thu Aug 2 09:07:17 2018 New Revision: 263245 URL: https://gcc.gnu.org/viewcvs?rev=263245&root=gcc&view=rev Log: [ARM] Fix PR85434: spilling of stack protector guard's address on

[Bug sanitizer/86022] TCB size calculated in ThreadDescriptorSize() is wrong for glibc-2.14

2018-08-02 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86022 --- Comment #4 from Martin Liška --- Author: marxin Date: Thu Aug 2 09:32:58 2018 New Revision: 263246 URL: https://gcc.gnu.org/viewcvs?rev=263246&root=gcc&view=rev Log: Cherry-pick compiler-rt revision 338606 (PR sanitizer/86022). Fix sizeof(

[Bug sanitizer/86022] TCB size calculated in ThreadDescriptorSize() is wrong for glibc-2.14

2018-08-02 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86022 Martin Liška changed: What|Removed |Added Known to work||9.0 Known to fail|9.0

[Bug target/86758] [9 Regression] ICE in replace_stmt compiling gcc.target/i386/pr84309.c

2018-08-02 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86758 rsandifo at gcc dot gnu.org changed: What|Removed |Added CC||hjl.tools at gmail dot com

[Bug tree-optimization/86824] [9 Regression] internal compiler error: in replace_stmt, at tree-vectorizer.c:611

2018-08-02 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86824 rsandifo at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolutio

[Bug tree-optimization/86702] [9 Regression] SPEC CPU2006 400.perlbench, CPU2017 500.perlbench_r ~3% performance drop after r262247

2018-08-02 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86702 --- Comment #2 from Martin Liška --- Can you please provide info about affected target and precise options used?

[Bug tree-optimization/86702] [9 Regression] SPEC CPU2006 400.perlbench, CPU2017 500.perlbench_r ~3% performance drop after r262247

2018-08-02 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86702 --- Comment #3 from Martin Liška --- I must confirm that probabilities are lost, but as the switch will end up as jump table, so they are not used..

[Bug target/86828] New: [6/7 Regression] wrong-code bug with "-march=knl -Ofast" (invalid memory reference)

2018-08-02 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86828 Bug ID: 86828 Summary: [6/7 Regression] wrong-code bug with "-march=knl -Ofast" (invalid memory reference) Product: gcc Version: 8.2.0 Status: UNCONFIRMED Sever

[Bug target/86828] [6/7 Regression] wrong-code bug with "-march=knl -Ofast" (invalid memory reference)

2018-08-02 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86828 janus at gcc dot gnu.org changed: What|Removed |Added Keywords||wrong-code See Also|

[Bug gcov-profile/86817] [8/9 Regression] Misleading warning in gcov since r254672

2018-08-02 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86817 --- Comment #1 from Martin Liška --- Author: marxin Date: Thu Aug 2 10:17:34 2018 New Revision: 263248 URL: https://gcc.gnu.org/viewcvs?rev=263248&root=gcc&view=rev Log: Fix gcov misleading error (PR gcov-profile/86817). 2018-08-02 Martin Lis

[Bug target/86771] [9 Regression] gfortran.dg/actual_array_constructor_1.f90 fails on arm after combine 2 insns to 2 insns patch

2018-08-02 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86771 --- Comment #1 from Segher Boessenkool --- Could you trace this down to some bad code generated, at least?

[Bug middle-end/86815] [8/9 regression] ICE on valid code on armhf

2018-08-02 Thread costamagnagianfranco at yahoo dot it
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86815 --- Comment #6 from Gianfranco --- Created attachment 44485 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44485&action=edit another failing output I'm attaching another file suffering from the same issue (mostly every cpp file has this fa

[Bug target/86014] [AArch64] missed LDP optimization

2018-08-02 Thread jcw at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86014 --- Comment #2 from jcw at gcc dot gnu.org --- Author: jcw Date: Thu Aug 2 10:39:23 2018 New Revision: 263249 URL: https://gcc.gnu.org/viewcvs?rev=263249&root=gcc&view=rev Log: gcc/ 2018-08-02 Jackson Woodruff PR target/86014

[Bug target/86771] [9 Regression] gfortran.dg/actual_array_constructor_1.f90 fails on arm after combine 2 insns to 2 insns patch

2018-08-02 Thread clyon at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86771 --- Comment #2 from Christophe Lyon --- gfortran.log contains: STOP 4 STOP 4 STOP 4 before the execution fails I'll regenerate the 2 asm files.

[Bug target/86014] [AArch64] missed LDP optimization

2018-08-02 Thread jcw at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86014 jcw at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug target/86781] fr30 port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86781 --- Comment #1 from Nick Clifton --- Author: nickc Date: Thu Aug 2 11:24:47 2018 New Revision: 263253 URL: https://gcc.gnu.org/viewcvs?rev=263253&root=gcc&view=rev Log: PR target/86781 * config/fr30/fr30.c (TARGET_HAVE_SPECULATI

[Bug target/86781] fr30 port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86781 Nick Clifton changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/86772] [meta-bug] tracking port status for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86772 Bug 86772 depends on bug 86781, which changed state. Bug 86781 Summary: fr30 port needs updating for CVE-2017-5753 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86781 What|Removed |Added -

[Bug tree-optimization/86829] New: Missing sin(atan(x)) and cos(atan(x)) optimizations

2018-08-02 Thread giuliano.belinassi at usp dot br
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86829 Bug ID: 86829 Summary: Missing sin(atan(x)) and cos(atan(x)) optimizations Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Compon

[Bug target/86782] frv port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86782 --- Comment #1 from Nick Clifton --- Author: nickc Date: Thu Aug 2 11:46:06 2018 New Revision: 263254 URL: https://gcc.gnu.org/viewcvs?rev=263254&root=gcc&view=rev Log: PR target/86782 * config/frv/frv.c (TARGET_HAVE_SPECULATION

[Bug target/86787] iq2000 port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86787 Nick Clifton changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/86772] [meta-bug] tracking port status for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86772 Bug 86772 depends on bug 86787, which changed state. Bug 86787 Summary: iq2000 port needs updating for CVE-2017-5753 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86787 What|Removed |Added ---

[Bug tree-optimization/86829] Missing sin(atan(x)) and cos(atan(x)) optimizations

2018-08-02 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86829 --- Comment #1 from Marc Glisse --- You shouldn't use float_type_node directly, since the operations might be on double or long double. Do you have a copyright assignment (https://gcc.gnu.org/contribute.html) ?

[Bug target/86782] frv port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86782 Nick Clifton changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/86772] [meta-bug] tracking port status for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86772 Bug 86772 depends on bug 86782, which changed state. Bug 86782 Summary: frv port needs updating for CVE-2017-5753 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86782 What|Removed |Added --

[Bug tree-optimization/86829] Missing sin(atan(x)) and cos(atan(x)) optimizations

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86829 Richard Biener changed: What|Removed |Added Keywords||missed-optimization, patch

[Bug target/86771] [9 Regression] gfortran.dg/actual_array_constructor_1.f90 fails on arm after combine 2 insns to 2 insns patch

2018-08-02 Thread clyon at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86771 --- Comment #3 from Christophe Lyon --- Created attachment 44487 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44487&action=edit Wrong code generated This is with trunk @r263197

[Bug target/86828] [6/7 Regression] wrong-code bug with "-march=knl -Ofast" (invalid memory reference)

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86828 Richard Biener changed: What|Removed |Added Keywords||needs-bisection Target|

[Bug target/86771] [9 Regression] gfortran.dg/actual_array_constructor_1.f90 fails on arm after combine 2 insns to 2 insns patch

2018-08-02 Thread clyon at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86771 --- Comment #4 from Christophe Lyon --- Created attachment 44488 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44488&action=edit Good code This is with r263197 and r263067 (your patch) reverted

[Bug target/86771] [9 Regression] gfortran.dg/actual_array_constructor_1.f90 fails on arm after combine 2 insns to 2 insns patch

2018-08-02 Thread clyon at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86771 --- Comment #5 from Christophe Lyon --- I think in the "ok" version we have: add ip, sp, #60 ... ldm ip, {r0, r1} ... add r2, sp, #72 ldm r2, {r0, r1} in the "ko" version we have: ldr r1, [sp, #64] ... ldr r1, [sp, #76] So in the "ko" version w

[Bug target/86787] iq2000 port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86787 --- Comment #2 from Nick Clifton --- Author: nickc Date: Thu Aug 2 12:14:52 2018 New Revision: 263255 URL: https://gcc.gnu.org/viewcvs?rev=263255&root=gcc&view=rev Log: PR target/86787 * config/iq2000/iq2000.c (TARGET_HAVE_SPECU

[Bug target/86828] [6/7 Regression] wrong-code bug with "-march=knl -Ofast" (invalid memory reference)

2018-08-02 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86828 --- Comment #2 from janus at gcc dot gnu.org --- (In reply to Richard Biener from comment #1) > Would be nice to know what fixed this (or maybe know if it just went latent). I think I remember having some intermediate versions during the reductio

[Bug target/85434] Address of stack protector guard spilled to stack on ARM

2018-08-02 Thread clyon at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85434 Christophe Lyon changed: What|Removed |Added CC||clyon at gcc dot gnu.org --- Comment #

[Bug target/85434] Address of stack protector guard spilled to stack on ARM

2018-08-02 Thread thopre01 at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85434 --- Comment #20 from Thomas Preud'homme --- (In reply to Christophe Lyon from comment #19) > Created attachment 44489 [details] > Source file causing ICE on aarch64 > > With your patch, GCC crashes with target aarch64-none-linux-gnu > aarch64-no

[Bug target/86789] m32r port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86789 --- Comment #1 from Nick Clifton --- Author: nickc Date: Thu Aug 2 12:31:29 2018 New Revision: 263256 URL: https://gcc.gnu.org/viewcvs?rev=263256&root=gcc&view=rev Log: PR target/86789 * config/m32r/m32r.c (TARGET_HAVE_SPECULATI

[Bug target/86789] m32r port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86789 Nick Clifton changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/86772] [meta-bug] tracking port status for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86772 Bug 86772 depends on bug 86789, which changed state. Bug 86789 Summary: m32r port needs updating for CVE-2017-5753 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86789 What|Removed |Added -

[Bug tree-optimization/86829] Missing sin(atan(x)) and cos(atan(x)) optimizations

2018-08-02 Thread giuliano.belinassi at usp dot br
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86829 --- Comment #3 from Giuliano Belinassi --- (In reply to Marc Glisse from comment #1) > > Do you have a copyright assignment (https://gcc.gnu.org/contribute.html) ? No. Sorry, but I think I may need help getting this right. Are there any tips?

[Bug fortran/86830] New: Contiguous array pointer function result not recognized as contiguous

2018-08-02 Thread only_for_nouse at gmx dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86830 Bug ID: 86830 Summary: Contiguous array pointer function result not recognized as contiguous Product: gcc Version: 8.1.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/86816] [8/9 Regression] ICE: SIGSEGV in tree-ssa-pre / tail_merge_optimize

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86816 --- Comment #2 from Richard Biener --- Author: rguenth Date: Thu Aug 2 13:19:50 2018 New Revision: 263257 URL: https://gcc.gnu.org/viewcvs?rev=263257&root=gcc&view=rev Log: 2018-08-02 Richard Biener PR tree-optimization/86816

[Bug tree-optimization/86816] [8 Regression] ICE: SIGSEGV in tree-ssa-pre / tail_merge_optimize

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86816 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Known to work|

[Bug target/86828] [6/7 Regression] wrong-code bug with "-march=knl -Ofast" (invalid memory reference)

2018-08-02 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86828 H.J. Lu changed: What|Removed |Added CC||hjl.tools at gmail dot com --- Comment #3 from

[Bug target/86831] New: three failures in gfortran.fortran-torture with "-Ofast -march=native" on skylake-avx512

2018-08-02 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86831 Bug ID: 86831 Summary: three failures in gfortran.fortran-torture with "-Ofast -march=native" on skylake-avx512 Product: gcc Version: 9.0 Status: UNCONFIRMED Se

[Bug target/86791] mcore port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86791 --- Comment #1 from Nick Clifton --- Author: nickc Date: Thu Aug 2 13:30:40 2018 New Revision: 263258 URL: https://gcc.gnu.org/viewcvs?rev=263258&root=gcc&view=rev Log: PR target/86791 * config/mcore/mcore.c (TARGET_HAVE_SPECULA

[Bug target/86772] [meta-bug] tracking port status for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86772 Bug 86772 depends on bug 86791, which changed state. Bug 86791 Summary: mcore port needs updating for CVE-2017-5753 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86791 What|Removed |Added

[Bug target/86791] mcore port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86791 Nick Clifton changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/86831] three failures in gfortran.fortran-torture with "-Ofast -march=native" on skylake-avx512

2018-08-02 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86831 --- Comment #1 from janus at gcc dot gnu.org --- (In reply to janus from comment #0) > Running "make check-fortran" with this mod on a skylake-avx512 CPU yields > the following failures: > > FAIL: gfortran.fortran-torture/execute/in-pack.f90 exec

[Bug target/86797] msp430 port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86797 --- Comment #1 from Nick Clifton --- Author: nickc Date: Thu Aug 2 14:02:32 2018 New Revision: 263259 URL: https://gcc.gnu.org/viewcvs?rev=263259&root=gcc&view=rev Log: PR target/86797 * config/msp430/msp430.c (TARGET_HAVE_SPECU

[Bug target/86831] three failures in gfortran.fortran-torture with "-Ofast -march=native" on skylake-avx512

2018-08-02 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86831 --- Comment #2 from janus at gcc dot gnu.org --- (In reply to janus from comment #0) > Running "make check-fortran" with this mod on a skylake-avx512 CPU yields > the following failures: None of them fails with -march=native alone.

[Bug target/86831] three failures in gfortran.fortran-torture with "-Ofast -march=native" on skylake-avx512

2018-08-02 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86831 --- Comment #3 from janus at gcc dot gnu.org --- (In reply to janus from comment #0) > FAIL: gfortran.fortran-torture/execute/intrinsic_nearest.f90 execution, > -Ofast -march=native > FAIL: gfortran.fortran-torture/execute/nan_inf_fmt.f90 execut

[Bug middle-end/86505] [6/7/8/9 Regression] __builtin_va_arg_pack_len() computes the number of arguments wrongly

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86505 Richard Biener changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org ---

[Bug c++/86763] [7/8/9 Regression] Wrong code comparing member of copy of a 237 byte object with nontrivial default constructor on x86-64 arch

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86763 --- Comment #10 from Richard Biener --- Author: rguenth Date: Thu Aug 2 14:25:57 2018 New Revision: 263261 URL: https://gcc.gnu.org/viewcvs?rev=263261&root=gcc&view=rev Log: 2018-08-02 Richard Biener PR c++/86763 * class.c (

[Bug c++/86763] [7/8 Regression] Wrong code comparing member of copy of a 237 byte object with nontrivial default constructor on x86-64 arch

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86763 Richard Biener changed: What|Removed |Added Known to work||9.0 Summary|[7/8/9 Regressio

[Bug target/86831] three failures in gfortran.fortran-torture with "-Ofast -march=native" on skylake-avx512

2018-08-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86831 --- Comment #4 from Richard Biener --- "nan_inf_fmt" suggests that the 'fast' part in -Ofast might be the issue. So try -O3 -march=native instead?

[Bug target/86772] [meta-bug] tracking port status for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86772 Bug 86772 depends on bug 86797, which changed state. Bug 86797 Summary: msp430 port needs updating for CVE-2017-5753 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86797 What|Removed |Added ---

[Bug target/86797] msp430 port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86797 Nick Clifton changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/86803] rx port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86803 --- Comment #1 from Nick Clifton --- Author: nickc Date: Thu Aug 2 14:35:10 2018 New Revision: 263263 URL: https://gcc.gnu.org/viewcvs?rev=263263&root=gcc&view=rev Log: PR target/86803 * config/rx/rx.c (TARGET_HAVE_SPECULATION_S

[Bug target/86831] three failures in gfortran.fortran-torture with "-Ofast -march=native" on skylake-avx512

2018-08-02 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86831 --- Comment #5 from janus at gcc dot gnu.org --- (In reply to Richard Biener from comment #4) > "nan_inf_fmt" suggests that the 'fast' part in -Ofast might be the issue. > So try -O3 -march=native instead? All three tests pass with those flags.

[Bug target/86735] [8/9 Regression] Bad wrong-code bug with "-march=skylake-avx512 -Ofast"

2018-08-02 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86735 --- Comment #13 from janus at gcc dot gnu.org --- gfortran.fortran-torture/execute/in-pack.f90 in the testsuite exhibits the same problem as comment 0, I think. It also contains Fortran array operations and fails with "-march=skylake-avx512 -Ofast

[Bug c++/86190] [6/7 Regression] -Wsign-conversion ignores explicit conversion in some cases

2018-08-02 Thread TonyELewis at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86190 --- Comment #12 from Tony E Lewis --- I confirm that Godbolt's GCC trunk now handles my testcase correctly. Thanks very much for all work on this.

[Bug target/86803] rx port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86803 Nick Clifton changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/86772] [meta-bug] tracking port status for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86772 Bug 86772 depends on bug 86803, which changed state. Bug 86803 Summary: rx port needs updating for CVE-2017-5753 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86803 What|Removed |Added ---

[Bug middle-end/86827] [8/9 Regression] -Warray-bounds produces negative indicies

2018-08-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86827 Martin Sebor changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c++/86190] [6/7 Regression] -Wsign-conversion ignores explicit conversion in some cases

2018-08-02 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86190 --- Comment #13 from Marek Polacek --- Thanks for taking the time to report the bug!

[Bug target/86810] v850 port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86810 --- Comment #1 from Nick Clifton --- Author: nickc Date: Thu Aug 2 15:57:06 2018 New Revision: 263264 URL: https://gcc.gnu.org/viewcvs?rev=263264&root=gcc&view=rev Log: PR target/86810 * config/v850/v850.c (TARGET_HAVE_SPECULATI

[Bug middle-end/86660] libgomp.c++/for-15.C ICEs with nvptx offloading

2018-08-02 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86660 --- Comment #16 from Tom de Vries --- Author: vries Date: Thu Aug 2 15:59:01 2018 New Revision: 263265 URL: https://gcc.gnu.org/viewcvs?rev=263265&root=gcc&view=rev Log: [nvptx] Ignore c++ exceptions The nvptx port can't support exceptions usi

[Bug target/86810] v850 port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86810 Nick Clifton changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/86772] [meta-bug] tracking port status for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86772 Bug 86772 depends on bug 86810, which changed state. Bug 86810 Summary: v850 port needs updating for CVE-2017-5753 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86810 What|Removed |Added -

[Bug target/86813] xstormy16 port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86813 --- Comment #1 from Nick Clifton --- Author: nickc Date: Thu Aug 2 16:13:32 2018 New Revision: 263266 URL: https://gcc.gnu.org/viewcvs?rev=263266&root=gcc&view=rev Log: PR target/86813 * config/stormy16/stormy16.c (TARGET_HAVE_S

[Bug target/86772] [meta-bug] tracking port status for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86772 Bug 86772 depends on bug 86813, which changed state. Bug 86813 Summary: xstormy16 port needs updating for CVE-2017-5753 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86813 What|Removed |Added

[Bug target/86813] xstormy16 port needs updating for CVE-2017-5753

2018-08-02 Thread nickc at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86813 Nick Clifton changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/86702] [9 Regression] SPEC CPU2006 400.perlbench, CPU2017 500.perlbench_r ~3% performance drop after r262247

2018-08-02 Thread alexander.nesterovskiy at intel dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86702 --- Comment #4 from Alexander Nesterovskiy --- I've noticed performance regressions on different targets and with different compilation options, not only highly optimized like "-march=skylake-avx512 -Ofast -flto -funroll-loops" but with "-O2" too

[Bug tree-optimization/86552] missing warning for reading past the end of non-string arrays

2018-08-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86552 --- Comment #5 from Martin Sebor --- Yes, that's also (partly) why I submitted a solution for pr71625 comment 15: https://gcc.gnu.org/ml/gcc-patches/2018-07/msg01884.html With that patch applied as well the strlen call is diagnosed.

[Bug c/86832] New: GCC v8.2.0 tries to use native TLS with -fstack-protector-strong on Windows (mingw-w64)

2018-08-02 Thread johannes.schindelin at gmx dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86832 Bug ID: 86832 Summary: GCC v8.2.0 tries to use native TLS with -fstack-protector-strong on Windows (mingw-w64) Product: gcc Version: lto Status: UNCONFIRMED Sev

[Bug c++/80744] Detect Divide By Zero and give a warning in C/C++

2018-08-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80744 Martin Sebor changed: What|Removed |Added CC||msebor at gcc dot gnu.org --- Comment #3

[Bug target/86828] [6/7 Regression] wrong-code bug with "-march=knl -Ofast" (invalid memory reference)

2018-08-02 Thread janus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86828 --- Comment #4 from janus at gcc dot gnu.org --- (In reply to H.J. Lu from comment #3) > I can't reproduce it with gcc version 7.3.1 20180609. Just made a fresh build off today's 7-branch: gcc version 7.3.1 20180802 [gcc-7-br

[Bug libgcc/86512] Incorrect sub result for float subnormal inputs in armv7(with -msoft-float).

2018-08-02 Thread rearnsha at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86512 --- Comment #1 from Richard Earnshaw --- Author: rearnsha Date: Thu Aug 2 16:50:07 2018 New Revision: 263267 URL: https://gcc.gnu.org/viewcvs?rev=263267&root=gcc&view=rev Log: arm - correctly handle denormal results during softfp subtraction 2

[Bug libgcc/86512] Incorrect sub result for float subnormal inputs in armv7(with -msoft-float).

2018-08-02 Thread rearnsha at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86512 Richard Earnshaw changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug libgcc/86512] Incorrect sub result for float subnormal inputs in armv7(with -msoft-float).

2018-08-02 Thread rearnsha at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86512 Richard Earnshaw changed: What|Removed |Added Target Milestone|--- |9.0

[Bug c++/80744] Detect Divide By Zero and give a warning in C/C++

2018-08-02 Thread jg at jguk dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80744 --- Comment #4 from Jonny Grant --- Hi Martin Thank you for your reply. I appreciate that GCC isn't a static analyser But I think (C) is probably easier to follow though if GCC was extended, and (A) std::string harder, as needs knowledge o

[Bug c++/81239] std::__cxx11::string& visible in gcc warning output

2018-08-02 Thread jg at jguk dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81239 --- Comment #2 from Jonny Grant --- Created attachment 44492 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44492&action=edit Better test case

[Bug c++/81239] std::__cxx11::string& visible in gcc warning output

2018-08-02 Thread jg at jguk dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81239 --- Comment #3 from Jonny Grant --- (In reply to Jonny Grant from comment #2) > Created attachment 44492 [details] > Better test case wrong ticket. please ignore

[Bug c++/80744] Detect Divide By Zero and give a warning in C/C++

2018-08-02 Thread jg at jguk dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80744 --- Comment #5 from Jonny Grant --- Created attachment 44493 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44493&action=edit Better test case

[Bug target/86820] [8 regression] gcc-8 miscompiles binutils on m68k

2018-08-02 Thread schwab at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86820 --- Comment #5 from Andreas Schwab --- Author: schwab Date: Thu Aug 2 17:23:13 2018 New Revision: 263269 URL: https://gcc.gnu.org/viewcvs?rev=263269&root=gcc&view=rev Log: Fix invalid cc_status after [const_][us]mulsi3_highpart Backpor

[Bug target/86820] [8 regression] gcc-8 miscompiles binutils on m68k

2018-08-02 Thread sch...@linux-m68k.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86820 Andreas Schwab changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/86784] H8 port needs updating for CVE-2017-5753

2018-08-02 Thread law at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86784 --- Comment #1 from Jeffrey A. Law --- Author: law Date: Thu Aug 2 17:24:59 2018 New Revision: 263270 URL: https://gcc.gnu.org/viewcvs?rev=263270&root=gcc&view=rev Log: PR target/86784 * config/h8300/h8300.c (TARGET_HAVE_SPECULA

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