[Bug c++/64049] New: Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 Bug ID: 64049 Summary: Wrong code at -O3 Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee:

[Bug c++/64049] Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 --- Comment #1 from Bernd Edlinger bernd.edlinger at hotmail dot de --- Created attachment 34090 -- https://gcc.gnu.org/bugzilla/attachment.cgi?id=34090action=edit ValueHelper1.cpp

[Bug c++/64049] Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 --- Comment #2 from Bernd Edlinger bernd.edlinger at hotmail dot de --- Created attachment 34091 -- https://gcc.gnu.org/bugzilla/attachment.cgi?id=34091action=edit ValueHelper2.cpp

[Bug middle-end/63311] [4.9/5 Regression] -O1 optimization introduces valgrind warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63311 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P2

[Bug c++/64049] Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 --- Comment #3 from Bernd Edlinger bernd.edlinger at hotmail dot de --- Created attachment 34092 -- https://gcc.gnu.org/bugzilla/attachment.cgi?id=34092action=edit ValueHelper.h

[Bug ipa/63313] [5 Regression] ICE in ipa-comdats.c:371

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63313 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P1

[Bug middle-end/63325] [5.0 regression] ICE fold check: original tree changed by fold

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63325 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P1

[Bug rtl-optimization/63340] [5.0 regression] FAIL: gcc.dg/atomic/c11-atomic-exec-2.c -O2 execution test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63340 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED

[Bug rtl-optimization/63375] [4.8/4.9/5 Regression] reordering of reads across fences

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63375 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED

[Bug ipa/63403] [5.0 Regression] ICE: in relative_time_benefit at ipa-inline.c:869

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63403 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED

[Bug c++/63203] Self-initialization of reference not diagnosed if it occurs within a loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63203 --- Comment #4 from paolo at gcc dot gnu.org paolo at gcc dot gnu.org --- Author: paolo Date: Mon Nov 24 13:35:08 2014 New Revision: 218017 URL: https://gcc.gnu.org/viewcvs?rev=218017root=gccview=rev Log: /cp 2014-11-24 Jonathan Wakely

[Bug bootstrap/63432] [5 Regression] profiledbootstrap failure with bootstrap-lto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63432 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED

[Bug tree-optimization/63537] [4.8/4.9/5 Regression] Missed optimization: Loop unrolling adds extra copy when returning aggregate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63537 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P2

[Bug rtl-optimization/63577] [4.8/4.9/5 Regression]: Huge compile time and memory usage with -O and not -fPIC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63577 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P2

[Bug ipa/63636] [5 Regression] gcc gets miscompiled by ipa-icf during LTO/PGO bootstrap on ppc64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63636 --- Comment #2 from Richard Biener rguenth at gcc dot gnu.org --- Is this fixed now (why is it in WAITING?)

[Bug c++/63657] [4.9 regression] -Wunused-variable: warning supressed by virtual dtor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63657 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Known to work||5.0

[Bug c++/63658] [4.9 Regression] Using class reference as template parameter causes compilation to fail

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63658 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Known to work||5.0

[Bug target/63661] [4.9/5 Regression] -O2 miscompiles with -mtune=nehalem or corei7

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63661 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Keywords||wrong-code

[Bug c++/64049] Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 --- Comment #4 from Andrew Pinski pinskia at gcc dot gnu.org --- v.value.LocalizedText = (LocalizedTextStruct*) Localized Text; if you access v.value.LocalizedText as a LocalizedTextStruct the above causes undefined code.

[Bug ipa/63636] [5 Regression] gcc gets miscompiled by ipa-icf during LTO/PGO bootstrap on ppc64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63636 --- Comment #3 from Markus Trippelsdorf trippels at gcc dot gnu.org --- (In reply to Richard Biener from comment #2) Is this fixed now (why is it in WAITING?) Because you changed the status to WAITING? I will retest this once all P1 ICF issues

[Bug c++/63657] [4.9 regression] -Wunused-variable: warning supressed by virtual dtor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63657 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added Status|UNCONFIRMED |NEW

[Bug target/63679] [5.0 Regression][AArch64] Failure to constant fold.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63679 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|NEW

[Bug other/64046] Malformed .eh_frame generated with LTO, gold and optimization enabled

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64046 H.J. Lu hjl.tools at gmail dot com changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last

[Bug target/63679] [5.0 Regression][AArch64] Failure to constant fold.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63679 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added CC||jamborm at

[Bug bootstrap/63740] [4.9 Regression] GCC 4.9.2 bootstrap fails on ARM, haifa-sched.c:6507:1: internal compiler error: in lra_create

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63740 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P1

[Bug tree-optimization/63748] [4.9 Regression] wrong may be used uninitialized warning (abnormal edges)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63748 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Keywords||diagnostic

[Bug testsuite/64048] [5 Regression] UNRESOLVED: gcc.dg/tree-prof/peel-1.c scan-rtl-dump loop2_unroll

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64048 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Component|tree-optimization |testsuite

[Bug other/64046] Malformed .eh_frame generated with LTO, gold and optimization enabled

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64046 --- Comment #2 from Peter Wu peter at lekensteyn dot nl --- Since it is only reproducible with ld.gold, I have duplicated the report at https://sourceware.org/bugzilla/show_bug.cgi?id=17639 What about the application of optimization? Doesn't

[Bug middle-end/63311] [4.9/5 Regression] -O1 optimization introduces valgrind warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63311 --- Comment #8 from Joost VandeVondele Joost.VandeVondele at mat dot ethz.ch --- (In reply to Richard Biener from comment #7) Confirmed that it is ifcombine. Not sure if I'd call it wrong-code though. Note that there are no default-defs

[Bug c++/63203] Self-initialization of reference not diagnosed if it occurs within a loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63203 Paolo Carlini paolo.carlini at oracle dot com changed: What|Removed |Added Status|ASSIGNED|RESOLVED

[Bug testsuite/64048] [5 Regression] UNRESOLVED: gcc.dg/tree-prof/peel-1.c scan-rtl-dump loop2_unroll

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64048 Uroš Bizjak ubizjak at gmail dot com changed: What|Removed |Added Status|UNCONFIRMED |NEW Last

[Bug java/64044] Java emits bogus .class$ decls

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64044 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED

[Bug tree-optimization/64004] [5 Regressio] Build error in tree-ssa-loop-niter.c in maybe_lower_iteration_bound

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64004 --- Comment #2 from Richard Biener rguenth at gcc dot gnu.org --- Author: rguenth Date: Mon Nov 24 14:02:36 2014 New Revision: 218018 URL: https://gcc.gnu.org/viewcvs?rev=218018root=gccview=rev Log: 2014-11-24 Richard Biener rguent...@suse.de

[Bug target/63679] [5.0 Regression][AArch64] Failure to constant fold.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63679 --- Comment #23 from Richard Biener rguenth at gcc dot gnu.org --- Author: rguenth Date: Mon Nov 24 14:07:18 2014 New Revision: 218019 URL: https://gcc.gnu.org/viewcvs?rev=218019root=gccview=rev Log: 2014-11-24 Richard Biener rguent...@suse.de

[Bug ipa/63636] [5 Regression] gcc gets miscompiled by ipa-icf during LTO/PGO bootstrap on ppc64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63636 Markus Trippelsdorf trippels at gcc dot gnu.org changed: What|Removed |Added Status|WAITING

[Bug bootstrap/64050] New: [5 Regression] r218009 causes LTO/PGO bootstrap failure: ICE: in inline_small_functions, at ipa-inline.c:1709

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64050 Bug ID: 64050 Summary: [5 Regression] r218009 causes LTO/PGO bootstrap failure: ICE: in inline_small_functions, at ipa-inline.c:1709 Product: gcc Version: 5.0

[Bug libobjc/64051] New: broken exception model detection in libobjc's configure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64051 Bug ID: 64051 Summary: broken exception model detection in libobjc's configure Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal

[Bug c++/64049] Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 --- Comment #5 from Bernd Edlinger bernd.edlinger at hotmail dot de --- (In reply to Andrew Pinski from comment #4) v.value.LocalizedText = (LocalizedTextStruct*) Localized Text; if you access v.value.LocalizedText as a LocalizedTextStruct

[Bug libobjc/64051] broken exception model detection in libobjc's configure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64051 --- Comment #1 from Andrew Pinski pinskia at gcc dot gnu.org --- As far as I know a Canadian cross requires the cross toolchain to that target at least the same languages as the Canadian cross. This check is the same check in libstdc++ also.

[Bug c/59708] clang-compatible checked arithmetic builtins

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59708 Marek Polacek mpolacek at gcc dot gnu.org changed: What|Removed |Added CC||mpolacek at

[Bug c++/64049] Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 Bernd Edlinger bernd.edlinger at hotmail dot de changed: What|Removed |Added Attachment #34091|0 |1

[Bug c++/64049] Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 Bernd Edlinger bernd.edlinger at hotmail dot de changed: What|Removed |Added Attachment #34090|0 |1

[Bug c++/64049] Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 Bernd Edlinger bernd.edlinger at hotmail dot de changed: What|Removed |Added Attachment #34092|0 |1

[Bug c/59708] clang-compatible checked arithmetic builtins

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59708 --- Comment #23 from Markus Trippelsdorf trippels at gcc dot gnu.org --- (In reply to Marek Polacek from comment #22) So fixed? Not on ppc64: trippels@gcc2-power8 ~ % cat out_check15 | grep overflow FAIL: gcc.dg/builtin-arith-overflow-1.c

[Bug libobjc/64051] broken exception model detection in libobjc's configure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64051 Andrew Pinski pinskia at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |WAITING

[Bug c++/64049] Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 Bernd Edlinger bernd.edlinger at hotmail dot de changed: What|Removed |Added Attachment #34094|0 |1

[Bug c++/64052] New: compilation error local frame unavailable appears for some optimization levels

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64052 Bug ID: 64052 Summary: compilation error local frame unavailable appears for some optimization levels Product: gcc Version: 4.7.2 Status: UNCONFIRMED Severity:

[Bug tree-optimization/35261] GCC4.3 internal compiler error: verify_flow_info failed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35261 Marek Polacek mpolacek at gcc dot gnu.org changed: What|Removed |Added Status|WAITING |RESOLVED

[Bug lto/64025] [5 Regression] Several testsuite execution failures with -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64025 H.J. Lu hjl.tools at gmail dot com changed: What|Removed |Added Status|UNCONFIRMED |NEW Last

[Bug bootstrap/64050] [5 Regression] r218009 causes LTO/PGO bootstrap failure: ICE: in inline_small_functions, at ipa-inline.c:1709

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64050 --- Comment #1 from Markus Trippelsdorf trippels at gcc dot gnu.org --- Breakpoint 1, inline_small_functions () at ../../gcc/gcc/ipa-inline.c:1709 1709 gcc_assert (current_badness = badness); (gdb) l 1704 /* When updating the

[Bug c++/64053] New: asm labels to accept extra parameters

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64053 Bug ID: 64053 Summary: asm labels to accept extra parameters Product: gcc Version: 4.7.2 Status: UNCONFIRMED Severity: enhancement Priority: P3 Component: c++

[Bug libstdc++/64054] New: 27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64054 Bug ID: 64054 Summary: 27_io/basic_ostream/inserters_arithmetic/char/hexfloat .cc FAILs Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal

[Bug libstdc++/64054] 27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64054 Rainer Orth ro at gcc dot gnu.org changed: What|Removed |Added Target Milestone|--- |5.0

[Bug c++/64053] asm labels to accept extra parameters

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64053 --- Comment #1 from Eugene eugene at hutorny dot in.ua --- Created attachment 34098 -- https://gcc.gnu.org/bugzilla/attachment.cgi?id=34098action=edit code sample for illustartion

[Bug c++/58561] [4.8 Regression] [c++11] ICE using declaration of function with auto in return type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58561 --- Comment #6 from David Edelsohn dje at gcc dot gnu.org --- Author: dje Date: Mon Nov 24 14:59:52 2014 New Revision: 218020 URL: https://gcc.gnu.org/viewcvs?rev=218020root=gccview=rev Log: PR c++/58561 * dbxout.c: Include

[Bug libstdc++/55917] Impossible to find/debug unhandled exceptions in an std::thread

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55917 Roger Orr rogero at howzatt dot demon.co.uk changed: What|Removed |Added CC||rogero at

[Bug rtl-optimization/63375] [4.8/4.9/5 Regression] reordering of reads across fences

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63375 --- Comment #13 from Pranith Kumar bobby.prani at gmail dot com --- The main concern here is moving the read past the fence instruction irrespective of volatile semantics. The fence instruction guarantees that accesses before the fence will

[Bug ada/64055] New: [5 regression] gnat.dg/derived_aggregate.adb FAILs on 32-bit i386

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64055 Bug ID: 64055 Summary: [5 regression] gnat.dg/derived_aggregate.adb FAILs on 32-bit i386 Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal

[Bug ada/64055] [5 regression] gnat.dg/derived_aggregate.adb FAILs on 32-bit i386

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64055 Rainer Orth ro at gcc dot gnu.org changed: What|Removed |Added Target Milestone|--- |5.0

[Bug tree-optimization/64024] [5 Regression] gcc.dg/vect/vect-simd-clone-6.c ICEs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64024 Jakub Jelinek jakub at gcc dot gnu.org changed: What|Removed |Added CC||jakub at gcc dot

[Bug target/64056] New: gcc.target/i386/chkp-strlen-4.c etc. FAIL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64056 Bug ID: 64056 Summary: gcc.target/i386/chkp-strlen-4.c etc. FAIL Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug target/64056] gcc.target/i386/chkp-strlen-4.c etc. FAIL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64056 Rainer Orth ro at gcc dot gnu.org changed: What|Removed |Added Target Milestone|--- |5.0

[Bug rtl-optimization/63375] [4.8/4.9/5 Regression] reordering of reads across fences

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63375 --- Comment #14 from Jakub Jelinek jakub at gcc dot gnu.org --- How is that observable (other than looking at the assembly)? val1 is an automatic variable whose address doesn't escape to other threads, and isn't volatile either. Why do you care?

[Bug ipa/63482] [5 Regression] ICE: in gimple_get_virt_method_for_vtable, at gimple-fold.c:4857

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63482 Marek Polacek mpolacek at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED

[Bug middle-end/63621] [5 Regression] ICE: error: Both section and comdat group is set

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63621 tbsaunde at gcc dot gnu.org changed: What|Removed |Added CC||tbsaunde at gcc dot gnu.org

[Bug middle-end/63621] [5 Regression] ICE: error: Both section and comdat group is set

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63621 Marek Polacek mpolacek at gcc dot gnu.org changed: What|Removed |Added CC||mpolacek at

[Bug middle-end/63621] [5 Regression] ICE: error: Both section and comdat group is set

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63621 --- Comment #5 from Markus Trippelsdorf trippels at gcc dot gnu.org --- (In reply to tbsaunde from comment #3) r217991 seems to work Not for me.

[Bug middle-end/63621] [5 Regression] ICE: error: Both section and comdat group is set

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63621 --- Comment #6 from Trevor Saunders tsaunders at mozilla dot com --- On Mon, Nov 24, 2014 at 03:32:37PM +, trippels at gcc dot gnu.org wrote: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63621 --- Comment #5 from Markus Trippelsdorf

[Bug libobjc/64051] broken exception model detection in libobjc's configure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64051 --- Comment #3 from Pierre Ossman ossman at cendio dot se --- libstdc++ compiles fine though, but the previous stage did indeed include a C++ compiler. But even with that requirement, it still seems a bit dangerous. What if the previous compiler

[Bug go/64021] Empty struct vs libffi

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64021 --- Comment #7 from Ian Lance Taylor ian at airs dot com --- The Go language says that Pointers to distinct zero-size variables may or may not be equal (http://golang.org/ref/spec#Comparison_operators). So in the language sense it would be OK to

[Bug middle-end/63972] shrink_wrap_symbol_ref_1.c fail with -mabi=ilp32 on aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63972 Andrew Pinski pinskia at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED

[Bug middle-end/63972] shrink_wrap_symbol_ref_1.c fail with -mabi=ilp32 on aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63972 --- Comment #4 from Andrew Pinski pinskia at gcc dot gnu.org --- Author: pinskia Date: Mon Nov 24 15:40:19 2014 New Revision: 218023 URL: https://gcc.gnu.org/viewcvs?rev=218023root=gccview=rev Log: 2014-11-24 Andrew Pinski apin...@cavium.com

[Bug libobjc/64051] broken exception model detection in libobjc's configure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64051 --- Comment #4 from Pierre Ossman ossman at cendio dot se --- I assumed that this would be what happened: Given --build=B --host=H and --target=T: 1. A gcc would be configured with --build=B --host=H --target=T and put in the installation

[Bug libobjc/64051] broken exception model detection in libobjc's configure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64051 Andrew Pinski pinskia at gcc dot gnu.org changed: What|Removed |Added Status|WAITING |RESOLVED

[Bug go/64021] Empty struct vs libffi

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64021 --- Comment #8 from Richard Henderson rth at gcc dot gnu.org --- (In reply to Ian Lance Taylor from comment #7) I note that a zero-sized array is converted to an empty struct in go-ffi.c. I wonder how libffi handles that today. It doesn't.

[Bug tree-optimization/64024] [5 Regression] gcc.dg/vect/vect-simd-clone-6.c ICEs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64024 --- Comment #4 from Jakub Jelinek jakub at gcc dot gnu.org --- Perhaps for the linear arguments we could remember the {initial_val, linear_step} pair from the analysis phase (somewhere in the stmt_info) and if simple_iv would fail during the

[Bug ada/64057] New: Overlapping memcpy generated for array assignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64057 Bug ID: 64057 Summary: Overlapping memcpy generated for array assignment Product: gcc Version: 4.9.2 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug tree-optimization/64024] [5 Regression] gcc.dg/vect/vect-simd-clone-6.c ICEs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64024 --- Comment #5 from Richard Biener rguenth at gcc dot gnu.org --- Generally calling SCEV analysis again during the transform phase asks for trouble (though it may work in most cases). This means that the simple_iv calls (which are mostly useless

[Bug ada/64055] [5 regression] gnat.dg/derived_aggregate.adb FAILs on 32-bit i386

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64055 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P1

[Bug bootstrap/64050] [5 Regression] r218009 causes LTO/PGO bootstrap failure: ICE: in inline_small_functions, at ipa-inline.c:1709

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64050 H.J. Lu hjl.tools at gmail dot com changed: What|Removed |Added Target|powerpc64-unknown-linux-gnu |

[Bug rtl-optimization/63375] [4.8/4.9/5 Regression] reordering of reads across fences

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63375 --- Comment #15 from Richard Biener rguenth at gcc dot gnu.org --- Note that the technical issue here is that the memory is considered as not aliased and thus all barriers would need to explicitely reference it as used and clobbered.

[Bug libstdc++/63524] FAIL: 27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc (test for excess errors)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63524 --- Comment #1 from Jonathan Wakely redi at gcc dot gnu.org --- I think this should be fixed at r216398

[Bug libobjc/64051] broken exception model detection in libobjc's configure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64051 --- Comment #6 from Pierre Ossman ossman at cendio dot se --- Just to make sure I understand you perfectly. This is not supported: ../configure --build=A --host=B --target=B Instead you have to do: ../configure --build=A --host=A

[Bug target/64052] compilation error local frame unavailable appears for some optimization levels

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64052 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |WAITING

[Bug bootstrap/64050] [5 Regression] r218009 causes LTO/PGO bootstrap failure: ICE: in inline_small_functions, at ipa-inline.c:1709

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64050 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P1

[Bug ipa/63671] [5 Regression] 21% tramp3d-v4 performance hit due to -fdevirtualize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63671 --- Comment #13 from Jan Hubicka hubicka at gcc dot gnu.org --- Author: hubicka Date: Mon Nov 24 16:15:46 2014 New Revision: 218024 URL: https://gcc.gnu.org/viewcvs?rev=218024root=gccview=rev Log: PR ipa/63671 * ipa-inline-transform.c

[Bug tree-optimization/64024] [5 Regression] gcc.dg/vect/vect-simd-clone-6.c ICEs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64024 --- Comment #6 from Jakub Jelinek jakub at gcc dot gnu.org --- (In reply to Richard Biener from comment #5) Generally calling SCEV analysis again during the transform phase asks for trouble (though it may work in most cases). This means that

[Bug libstdc++/64054] 27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64054 --- Comment #1 from Jonathan Wakely redi at gcc dot gnu.org --- Weird. Somehow the double variable 'd' is getting set to 6 after it is (correctly) written to the stream, so converting 0x1.1p+8 back to a double doesn't compare equal to

[Bug ipa/64049] Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Keywords||wrong-code

[Bug libobjc/64051] broken exception model detection in libobjc's configure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64051 --- Comment #7 from Andrew Pinski pinskia at gcc dot gnu.org --- (In reply to Pierre Ossman from comment #6) Just to make sure I understand you perfectly. This is not supported: ../configure --build=A --host=B --target=B By itself yes this

[Bug tree-optimization/64024] [5 Regression] gcc.dg/vect/vect-simd-clone-6.c ICEs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64024 --- Comment #7 from Richard Biener rguenth at gcc dot gnu.org --- (In reply to Jakub Jelinek from comment #6) (In reply to Richard Biener from comment #5) Generally calling SCEV analysis again during the transform phase asks for trouble

[Bug tree-optimization/64024] [5 Regression] gcc.dg/vect/vect-simd-clone-6.c ICEs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64024 --- Comment #8 from Richard Biener rguenth at gcc dot gnu.org --- Usually it is only that which is hard to recompute, the base is pretty much stable. But of course you never know. You could also simply add a vecsimd_call_arg_info to the stmt

[Bug bootstrap/63703] [4.9.2/5 Regression] Bootstrap broken on powerpc-apple-darwin, cc1: internal compiler error: in init_reg_sets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63703 --- Comment #12 from Rohit rohitarulraj at gmail dot com --- Created attachment 34100 -- https://gcc.gnu.org/bugzilla/attachment.cgi?id=34100action=edit Proposed patch Francois, Can you please test the attached patch? 2014-11-24 Rohit

[Bug ipa/63671] [5 Regression] 21% tramp3d-v4 performance hit due to -fdevirtualize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63671 --- Comment #14 from Markus Trippelsdorf trippels at gcc dot gnu.org --- (In reply to Jan Hubicka from comment #13) Author: hubicka Date: Mon Nov 24 16:15:46 2014 New Revision: 218024 URL:

[Bug ipa/64049] Wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64049 --- Comment #11 from H.J. Lu hjl.tools at gmail dot com --- It was caused by r215898.

[Bug ipa/63671] [5 Regression] 21% tramp3d-v4 performance hit due to -fdevirtualize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63671 --- Comment #15 from Jan Hubicka hubicka at gcc dot gnu.org --- The performance regression seems solved on my setup (Trevor, can you double check?). -Ofast -fdevirtualize: Time spent in iteration: 4.11598 -Ofast -fno-devirtualize Time spent in

[Bug middle-end/60102] [4.9/5 Regression] powerpc fp-bit ices at dwf_regno

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60102 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|NEW |WAITING ---

[Bug ipa/63671] [5 Regression] 21% tramp3d-v4 performance hit due to -fdevirtualize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63671 --- Comment #16 from Jan Hubicka hubicka at gcc dot gnu.org --- The ICE will probably go away with Index: ipa-prop.c === --- ipa-prop.c (revision 217980) +++ ipa-prop.c (working

[Bug middle-end/61294] [4.9 Regression] erroneous memset used with constant zero length parameter warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61294 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Keywords||diagnostic

[Bug fortran/61527] [4.9/5 Regression] class/extends, multiple generic assignment, accept invalid

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61527 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P5

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