[Bug c++/69289] Compiling without --profile-generate causes longer execution time (-O3)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69289 --- Comment #4 from Paul le roux --- I compiled gcc/g++ from svn and the slowdown is still present without the --profile-generate flag. (But both are faster than what they were :D )

[Bug lto/69271] LTO drops weak binding from aliases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69271 --- Comment #4 from Jan Hubicka --- The optimization was intentional - dropping the weak bit makes GCC to optimize the references to symbol better (knowing it won't be NULL because the definition is provided). I wonder how this break glibc. What

[Bug tree-optimization/68961] [6 regression] Test case gcc.target/powerpc/pr60203.c fails since r231674

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68961 --- Comment #9 from Richard Biener --- Author: rguenth Date: Fri Jan 15 11:49:43 2016 New Revision: 232415 URL: https://gcc.gnu.org/viewcvs?rev=232415=gcc=rev Log: 2016-01-15 Richard Biener PR

[Bug c++/12672] Evals template defaults args that it should not

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=12672 --- Comment #10 from Jonathan Wakely --- (In reply to Ivan Godard from comment #0) > The problem seems to be that the compiler is not first pruning all > candidates with the wrong number of formals before doing type matching. Which is correct.

[Bug tree-optimization/68961] [6 regression] Test case gcc.target/powerpc/pr60203.c fails since r231674

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68961 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug lto/69271] LTO drops weak binding from aliases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69271 --- Comment #5 from nsz at gcc dot gnu.org --- copy pasting from http://www.openwall.com/lists/musl/2016/01/13/2 (this is musl libc, but glibc has the same issue) lto breaks symbol binding for environ, _environ, ___environ. (they should be weak,

[Bug testsuite/56194] FAIL: g++.dg/init/const9.C -std=c++98 scan-assembler-not rodata

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56194 --- Comment #8 from Andreas Krebbel --- Author: krebbel Date: Fri Jan 15 12:53:00 2016 New Revision: 232422 URL: https://gcc.gnu.org/viewcvs?rev=232422=gcc=rev Log: S/390: const9.C: Disable test. gcc/testsuite/ChangeLog PR c++/56194

[Bug libstdc++/69293] New: scoped_allocator_adaptor::construct calls wrong function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69293 Bug ID: 69293 Summary: scoped_allocator_adaptor::construct calls wrong function Product: gcc Version: 5.3.0 Status: UNCONFIRMED Severity: normal

[Bug ipa/68148] Devirtualization only applies to last of multiple successive calls

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68148 --- Comment #4 from Jan Hubicka --- Author: hubicka Date: Fri Jan 15 11:00:24 2016 New Revision: 232410 URL: https://gcc.gnu.org/viewcvs?rev=232410=gcc=rev Log: PR ipa/68148 * ipa-icf.c (sem_function::merge): Virtual functions

[Bug c++/12672] Evals template defaults args that it should not

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=12672 --- Comment #7 from Jonathan Wakely --- EDG rejects the reduced examples in comments 3 and 4 (the original testcase doesn't compile any more for other reasons due to the preprocessed library headers).

[Bug ipa/68148] Devirtualization only applies to last of multiple successive calls

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68148 Jan Hubicka changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/12672] Evals template defaults args that it should not

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=12672 --- Comment #9 from Jonathan Wakely --- This seems to be: http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#1635 http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#2008 might be related, and seems to agree with GCC.

[Bug c++/68586] [6 Regression] Enum template parameter wrongly rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68586 --- Comment #5 from Marek Polacek --- GCC6 uses a cache for evaluated constant expressions: 4019 tree 4020 maybe_constant_value (tree t, tree decl) 4021 { 4022 tree ret = cv_cache.get (t); The CONST_DECL x is in the cache, associated with 1

[Bug tree-optimization/69170] [6 Regression] ICE (segfault) in find_uses_to_rename_use

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69170 --- Comment #4 from Richard Biener --- Fails in GIMPLE verification because vect_cst__127 = {_172, _162}; references the released SSA name _172 after BB vectorization. Not a dup of PR66856. It looks like we end up building a SLP node from

[Bug c++/12672] Evals template defaults args that it should not

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=12672 Jonathan Wakely changed: What|Removed |Added Last reconfirmed|2009-04-16 16:42:54 |2016-1-15 --- Comment #8 from

[Bug target/69228] Default mask is not allowed for AVX512 prefetch gather/scatter insns

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69228 --- Comment #4 from afomin at gcc dot gnu.org --- Author: afomin Date: Fri Jan 15 11:03:24 2016 New Revision: 232412 URL: https://gcc.gnu.org/viewcvs?rev=232412=gcc=rev Log: Backport from mainline 2016-01-13 Alexander Fomin

[Bug lto/69271] LTO drops weak binding from aliases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69271 Jan Hubicka changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/63890] [4.9/5/6 regression] Compiling trivial program with -O -p leads to misaligned stack

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63890 --- Comment #27 from Dominique d'Humieres --- > Certainly adding TARGET_MACHO is Ok by me. I don't think this is the problem. I have reapplied the patch in comment 12 for config/i386/darwin.h and --- ../_clean/gcc/config/i386/i386.c

[Bug tree-optimization/66797] [6 Regression] FAIL: gcc.dg/tree-ssa/pr65447.c scan-tree-dump-not ivopts "\\nuse 5\\n"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66797 --- Comment #1 from amker at gcc dot gnu.org --- Seems HPPA only supports small int in addressing mode "REG+OFFSET" of floating mode load/store. In effect, we can only group every two address iv uses, resulting in 20 iv uses. Even with this

[Bug c++/68586] [6 Regression] Enum template parameter wrongly rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68586 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment

[Bug c/69291] [6 Regression] wrong code at -O1 for ruby-2.3.0/regcomp.c:985:compile_length_quantifier_node()

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69291 Markus Trippelsdorf changed: What|Removed |Added Resolution|INVALID |FIXED --- Comment #3 from Markus

[Bug libstdc++/69294] [6 Regression] std::isinf and std::isnan declaration conflict

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69294 Jonathan Wakely changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug tree-optimization/68976] [6 Regression] ICE w/ -O2 (and above) -fgraphite-identity (or -floop-nest-optimize)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68976 vries at gcc dot gnu.org changed: What|Removed |Added Keywords||patch --- Comment #9 from

[Bug fortran/69296] Problem with associate and vector subscript

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69296 --- Comment #1 from mrestelli --- I should also mention that this happens for me with GNU Fortran (GCC) 6.0.0 20160112 (experimental)

[Bug tree-optimization/69297] [6 Regression] Performance regression after r230020

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69297 --- Comment #1 from Yuri Rumyantsev --- Created attachment 37356 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37356=edit test-case to reproduce TO reproduce compile with -Ofast -march=core-avx2 options.

[Bug rtl-optimization/69246] [6 Regression] ICE in distribute_notes, at combine.c:13693 on i686-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69246 --- Comment #11 from rsandifo at gcc dot gnu.org --- Author: rsandifo Date: Fri Jan 15 14:41:10 2016 New Revision: 232428 URL: https://gcc.gnu.org/viewcvs?rev=232428=gcc=rev Log: PR 69246: Invalid REG_ARGS_SIZE for sibcalls The problem in

[Bug rtl-optimization/69246] [6 Regression] ICE in distribute_notes, at combine.c:13693 on i686-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69246 rsandifo at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|RESOLVED

[Bug sanitizer/67515] crash from ubsan for non-virtual call in initializer list with an invalid vtable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67515 Yury V. Zaytsev changed: What|Removed |Added CC||yury.zaytsev@traveltainment

[Bug target/69245] [6 Regression] ICE in extract_insn, at recog.c:2286 on arm-linux-gnueabihf

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69245 --- Comment #13 from James Greenhalgh --- This is a similar case I reduced from the Ubuntu rebuild failures, hitting the "max" idiom recognition: --- #pragma GCC push_options #pragma GCC target("fpu=crypto-neon-fp-armv8") static void foo

[Bug libstdc++/69294] [6 Regression] std::isinf and std::isnan declaration conflict

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69294 David Edelsohn changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libstdc++/69294] New: [6 Regression] std::isinf and std::isnan declaration conflict

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69294 Bug ID: 69294 Summary: [6 Regression] std::isinf and std::isnan declaration conflict Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/68976] [6 Regression] ICE w/ -O2 (and above) -fgraphite-identity (or -floop-nest-optimize)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68976 --- Comment #11 from vries at gcc dot gnu.org --- Created attachment 37354 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37354=edit test.c.137t.graphite

[Bug target/69299] [6 Regression] -mavx performance degradation with r232088

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69299 H.J. Lu changed: What|Removed |Added Depends on||68991 --- Comment #1 from H.J. Lu --- With

[Bug target/69299] [6 Regression] -mavx performance degradation with r232088

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69299 --- Comment #2 from H.J. Lu --- The related LRA code is case CT_MEMORY: if (MEM_P (op) && satisfies_memory_constraint_p (op, cn)) win = true;

[Bug target/69299] [6 Regression] -mavx performance degradation with r232088

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69299 --- Comment #3 from Jakub Jelinek --- Maybe we really need to have two types of memory constraints, ones which can be worst case always satisfied by reloading their address into an address register and another ones which can be worst case always

[Bug libstdc++/69293] scoped_allocator_adaptor::construct calls wrong function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69293 --- Comment #2 from Jonathan Wakely --- (In reply to ForEveR from comment #0) > In code, is_constructible::value is false, > since use_arg receives Alloc by reference, but there is no test for this > case in

[Bug target/62254] [4.9/5/6 Regression] gcc-4.9 ICEs on linux kernel zlib for armv3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62254 --- Comment #5 from ktkachov at gcc dot gnu.org --- More reduced testcase: typedef struct { char bits; short val; } code; union uu { short us; char b[2]; }; int a, b, c, f, g, h; code *d; code e; int fn1 () { char i; do if

[Bug jit/68446] [6 Regression] jit testsuite failures seen inside dwarf2out.c:gen_producer_string

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68446 --- Comment #5 from Martin Liška --- Hi David. Removal of lazy initialization: diff --git a/gcc/opts.c b/gcc/opts.c index 2add158..cc96150 100644 --- a/gcc/opts.c +++ b/gcc/opts.c @@ -273,7 +273,7 @@ init_opts_obstack (void) { static bool

[Bug tree-optimization/68976] [6 Regression] ICE w/ -O2 (and above) -fgraphite-identity (or -floop-nest-optimize)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68976 --- Comment #10 from vries at gcc dot gnu.org --- Created attachment 37353 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37353=edit pdfs.tgz For the record: 1-pre.pdf Before scop detection 2-scops.pdf After scop detection 3-cond.pdf

[Bug target/69299] New: [6 Regression] -mavx performance degradation with r232088

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69299 Bug ID: 69299 Summary: [6 Regression] -mavx performance degradation with r232088 Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal

[Bug target/69299] [6 Regression] -mavx performance degradation with r232088

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69299 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug lto/69271] LTO drops weak binding from aliases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69271 --- Comment #6 from nsz at gcc dot gnu.org --- to complete the example here is a test application: #include #include extern char **environ; int main() { printf(": %p, environ: %p, *environ: %p\n", , environ, *environ);

[Bug target/69245] [6 Regression] ICE in extract_insn, at recog.c:2286 on arm-linux-gnueabihf

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69245 chrbr at gcc dot gnu.org changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |chrbr at gcc dot

[Bug libstdc++/69295] New: [6 Regression] New special math function failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69295 Bug ID: 69295 Summary: [6 Regression] New special math function failures Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug fortran/69296] New: Problem with associate and vector subscript

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69296 Bug ID: 69296 Summary: Problem with associate and vector subscript Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug libstdc++/69295] [6 Regression] New special math function failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69295 Jonathan Wakely changed: What|Removed |Added CC||emsr at gcc dot gnu.org --- Comment

[Bug libstdc++/69293] scoped_allocator_adaptor::construct calls wrong function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69293 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug lto/68799] lto ICE on powerpc64le-linux-gnu builing python 2.7.x

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68799 --- Comment #13 from Matthias Klose --- yes, this works, and I don't see any regressions in the testsuite compared to non pgo/lto build.

[Bug c++/55776] -Wshadow generates an incorrect warning with enum classes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55776 Sergey Semushin changed: What|Removed |Added CC||Predelnik at gmail dot com ---

[Bug libstdc++/69295] [6 Regression] New special math function failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69295 David Edelsohn changed: What|Removed |Added Target||powerpc-ibm-aix*

[Bug tree-optimization/68976] [6 Regression] ICE w/ -O2 (and above) -fgraphite-identity (or -floop-nest-optimize)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68976 --- Comment #12 from vries at gcc dot gnu.org --- (In reply to vries from comment #9) > https://gcc.gnu.org/ml/gcc-patches/2016-01/msg01067.html Hmm. The patch does not address the dup PR68692, and introduces a new ICE for that test-case.

[Bug fortran/69298] New: Array finalisers seem to be given the wrong array when the array is a member variable.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69298 Bug ID: 69298 Summary: Array finalisers seem to be given the wrong array when the array is a member variable. Product: gcc Version: 5.3.0 Status: UNCONFIRMED

[Bug tree-optimization/69297] New: [6 Regression] Performance regression after r230020

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69297 Bug ID: 69297 Summary: [6 Regression] Performance regression after r230020 Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug libstdc++/69293] scoped_allocator_adaptor::construct calls wrong function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69293 --- Comment #1 from Jonathan Wakely --- Actually I think this is a defect in the standard, it is inconsistent to check is_constructible but then pass inner_allocator_type&. Consider this type: struct use_arg { using

[Bug target/69299] [6 Regression] -mavx performance degradation with r232088

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69299 Richard Biener changed: What|Removed |Added Priority|P3 |P1 CC|

[Bug c++/69091] [6 Regrssion] valid code with operator| causes ICE "tree check: accessed elt 2 of tree_vec with 1 elts in tsubst, at cp/pt.c:12851"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69091 Patrick Palka changed: What|Removed |Added Status|NEW |ASSIGNED CC|

[Bug target/68661] __attribute__ ((no_caller_saved_registers)) trashes stack

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68661 H.J. Lu changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/68661] __attribute__ ((no_caller_saved_registers)) trashes stack

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68661 H.J. Lu changed: What|Removed |Added Target Milestone|--- |6.0 --- Comment #2 from H.J. Lu --- Fixed.

[Bug c++/68586] [6 Regression] Enum template parameter wrongly rejected

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68586 Marek Polacek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/68767] [6 regression] spurious warning: null argument where non-null required

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68767 Jason Merrill changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug c++/69300] New: g++ segfault on silly noexcept case

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69300 Bug ID: 69300 Summary: g++ segfault on silly noexcept case Product: gcc Version: 5.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug lto/69271] LTO drops weak binding from aliases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69271 Rich Felker changed: What|Removed |Added CC||bugdal at aerifal dot cx --- Comment #7

[Bug c++/68385] [6 Regression] ICE building libstdc++ on arm-none-eabi

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68385 --- Comment #8 from Andre Vieira --- It did fix it for me, sorry for the late reply.

[Bug target/69252] [4.9/5/6 Regression] gcc.dg/vect/vect-iv-9.c FAILs with -Os -fmodulo-sched -fmodulo-sched-allow-regmoves -fsched-pressure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69252 --- Comment #9 from Martin Sebor --- (In reply to Jakub Jelinek from comment #5) > a) bootstrap/regtest it The patch passes all C, C++, and FORTRAN tests with no regressions WRT baxeline. I'll look at (b) next.

[Bug rtl-optimization/63577] [4.9/5/6 Regression]: Huge compile time and memory usage with -O and not -fPIC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63577 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug rtl-optimization/68955] [6 Regression] wrong code at -O3 on x86-64-linux-gnu in 32-bit mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68955 --- Comment #8 from Jakub Jelinek --- So, we have before DSE2: ... (insn 525 192 458 12 (set (reg:SI 1 dx [orig:247 ivtmp.44 ] [247]) (mem/c:SI (plus:SI (reg/f:SI 6 bp) (const_int -76 [0xffb4])) [4 %sfp+-52 S4

[Bug bootstrap/68271] [6 Regression] Boostrap fails on x86_64-apple-darwin14 at r230084

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68271 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug tree-optimization/66856] [6 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:234

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66856 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug debug/69137] [6 Regression] ICE in odr_type_p, at ipa-utils.h:257

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69137 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug debug/69137] [6 Regression] ICE in odr_type_p, at ipa-utils.h:257

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69137 --- Comment #8 from Richard Biener --- Author: rguenth Date: Fri Jan 15 15:37:38 2016 New Revision: 232434 URL: https://gcc.gnu.org/viewcvs?rev=232434=gcc=rev Log: 2016-01-15 Richard Biener PR debug/69137

[Bug tree-optimization/66856] [6 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:234

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66856 --- Comment #12 from Richard Biener --- Author: rguenth Date: Fri Jan 15 15:43:48 2016 New Revision: 232435 URL: https://gcc.gnu.org/viewcvs?rev=232435=gcc=rev Log: 2016-01-15 Richard Biener PR

[Bug c++/69257] g++ ICE in "create_tmp_var" on invalid inline-asm

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69257 --- Comment #5 from Jason Merrill --- Author: jason Date: Fri Jan 15 15:57:07 2016 New Revision: 232436 URL: https://gcc.gnu.org/viewcvs?rev=232436=gcc=rev Log: PR c++/69257 * typeck.c (decay_conversion): Don't call

[Bug c++/68847] [6 Regression] ICE in cxx_eval_constant_expression on __atomic_compare_exchange (constexpr.c:3719) in c++

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68847 --- Comment #7 from Jason Merrill --- Author: jason Date: Fri Jan 15 15:57:17 2016 New Revision: 232438 URL: https://gcc.gnu.org/viewcvs?rev=232438=gcc=rev Log: PR c++/68847 * call.c (build_cxx_call): Use

[Bug tree-optimization/66797] [6 Regression] FAIL: gcc.dg/tree-ssa/pr65447.c scan-tree-dump-not ivopts "\\nuse 5\\n"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66797 --- Comment #2 from Jeffrey A. Law --- HPPA 1.0 and 1.1 only support a 5 bit offset in REG+D addressing modes for floating point loads/stores. So, yes, it's quite limited. For HPPA 2.0 and beyond a 14 bit offset is supported.

[Bug target/68609] PowerPC reciprocal estimate missed opportunities

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68609 --- Comment #4 from David Edelsohn --- Author: dje Date: Fri Jan 15 16:38:08 2016 New Revision: 232439 URL: https://gcc.gnu.org/viewcvs?rev=232439=gcc=rev Log: PR target/68609 * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.

[Bug libstdc++/69301] New: std::atomic::load() won't compile if T doesn't have a default constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69301 Bug ID: 69301 Summary: std::atomic::load() won't compile if T doesn't have a default constructor Product: gcc Version: 5.3.0 Status: UNCONFIRMED Severity:

[Bug gcov-profile/65929] FAIL: gcc.dg/tree-prof/pr34999.c compilation, -fprofile-use -D_PROFILE_USE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65929 Uroš Bizjak changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug libstdc++/69259] std::experimental::filesystem::copy does not create symlinks for directories

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69259 --- Comment #2 from Jonathan Wakely --- (We are missing tests for filesystem::copy() though, I accidentally duplicated the tests for fs::absolute())

[Bug tree-optimization/69196] [6 Regression] code size regression with jump threading at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69196 Jeffrey A. Law changed: What|Removed |Added Priority|P4 |P2 --- Comment #5 from Jeffrey A. Law

[Bug libstdc++/69295] [6 Regression] New special math function failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69295 --- Comment #4 from Jakub Jelinek --- FAIL: ext/special_functions/hyperg/check_value.cc execution test seen also on i686-linux (dunno about x86_64, that is still doing make check).

[Bug libstdc++/69266] bootstrap failure undefined reference to `std::basic_ios<char, std::char_traits >::

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69266 --- Comment #4 from tprince at computer dot org --- This works only when building libstdc++ with an older g++ version.

[Bug c++/12672] Evals template defaults args that it should not

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=12672 --- Comment #11 from Ivan Godard --- OP here; better late than never :-) IANALL, but the portions of the standard cited by Jonathan all refer to argument evaluation, while the problem here is in the result type. Why is the result even being

[Bug rtl-optimization/69030] [6 Regression] ICE on x86_64-linux-gnu at -O2 and above in 32-bit mode (ICE in copy_rtx, at rtl.c:358)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69030 --- Comment #7 from Vladimir Makarov --- Author: vmakarov Date: Fri Jan 15 19:33:33 2016 New Revision: 232445 URL: https://gcc.gnu.org/viewcvs?rev=232445=gcc=rev Log: 2016-01-15 Vladimir Makarov PR

[Bug c++/12672] Evals template defaults args that it should not

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=12672 --- Comment #12 from Jonathan Wakely --- Template argument deduction requires substituting the template arguments where they appear. If that is in the return type, it gets substituted into the return type. If that causes a substitution error

[Bug lto/68820] [6 regression] FAIL: gcc.c-torture/execute/builtins/memops-asm.c execution, -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68820 --- Comment #9 from Uroš Bizjak --- (In reply to Jan Hubicka from comment #8) > this does not reproduce for me at PPC nor x86-64. Are there any compilation > farm machines that reproduce it? -fno-use-linker-plugin is needed. Following will

[Bug libstdc++/69295] [6 Regression] New special math function failures

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69295 --- Comment #3 from Jonathan Wakely --- Apparently ext/special_functions/hyperg/check_value.cc is also failing on i686.

[Bug sanitizer/64841] libsanitizer/asan/asan_new_delete.cc:107:6: warning: ‘void operator delete(void*, size_t)’ is a usual (non-placement) deallocation function in C++14 (or with -fsized-deallocation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64841 Uroš Bizjak changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug other/67552] [meta] x86 interrupt attribute

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67552 Bug 67552 depends on bug 68037, which changed state. Bug 68037 Summary: x86 interrupt attribute doesn't work with DRAP https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68037 What|Removed |Added

[Bug target/68037] x86 interrupt attribute doesn't work with DRAP

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68037 H.J. Lu changed: What|Removed |Added Status|NEW |RESOLVED Blocks|

[Bug libstdc++/69301] std::atomic::load() won't compile if T doesn't have a default constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69301 Jonathan Wakely changed: What|Removed |Added Keywords||rejects-valid

[Bug target/63890] [4.9/5/6 regression] Compiling trivial program with -O -p leads to misaligned stack

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63890 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment

[Bug libstdc++/69259] std::experimental::filesystem::copy does not create symlinks for directories

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69259 --- Comment #1 from Jonathan Wakely --- The implementation follows the specification correctly, as far as I can see: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4099.html#fs.op.copy

[Bug c++/12672] Evals template defaults args that it should not

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=12672 --- Comment #13 from Jonathan Wakely --- (In reply to Ivan Godard from comment #11) > IANALL, but the portions of the standard cited by Jonathan all refer to > argument evaluation, Maybe you're confusing template arguments with function

[Bug c++/69302] New: Using bswap in template function with -ftrack-macro-expansion=0 results in a false compiler error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69302 Bug ID: 69302 Summary: Using bswap in template function with -ftrack-macro-expansion=0 results in a false compiler error Product: gcc Version: 5.2.0

[Bug fortran/69303] New: Fortran character common block equivalence lto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69303 Bug ID: 69303 Summary: Fortran character common block equivalence lto Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/68976] [6 Regression] ICE w/ -O2 (and above) -fgraphite-identity (or -floop-nest-optimize)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68976 --- Comment #13 from vries at gcc dot gnu.org --- new patch: https://gcc.gnu.org/ml/gcc-patches/2016-01/msg01139.html

[Bug c++/69302] Using bswap in template function with -ftrack-macro-expansion=0 results in a false compiler error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69302 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/68976] [6 Regression] ICE w/ -O2 (and above) -fgraphite-identity (or -floop-nest-optimize)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68976 --- Comment #14 from vries at gcc dot gnu.org --- (In reply to vries from comment #13) > new patch: https://gcc.gnu.org/ml/gcc-patches/2016-01/msg01139.html new patch does not fix dup. Will reopen dup.

[Bug fortran/69304] New: Fortran logical common block equivalence lto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69304 Bug ID: 69304 Summary: Fortran logical common block equivalence lto Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/69302] Using bswap in template function with -ftrack-macro-expansion=0 results in a false compiler error

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69302 --- Comment #2 from Alexander Kondratskiy --- Created attachment 37363 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37363=edit Preprocessed source that results in error g++ -std=c++1y -c -Werror -Wall -Wextra preprocessed.cpp -o test.o

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