[Bug libgomp/81386] [8 regression] libgomp.fortran/appendix-a/a.16.1.f90 fails starting with 249424

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81386 --- Comment #8 from Bill Schmidt --- Carl, please revert the patch until you have time to investigate. This will cause havoc every time we vectorize with these patterns.

[Bug libgomp/81386] [8 regression] libgomp.fortran/appendix-a/a.16.1.f90 fails starting with 249424

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81386 Bill Schmidt changed: What|Removed |Added CC||carll at gcc dot gnu.org --- Comment #7

[Bug libgomp/81386] [8 regression] libgomp.fortran/appendix-a/a.16.1.f90 fails starting with 249424

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81386 --- Comment #6 from seurer at gcc dot gnu.org --- So here is comparing 249423 (works) with 249424 (fails): seurer@genoa:~/gcc/build/gcc-test2$ svn info $GCC_SRC . . . Revision: 249423 . . . seurer@genoa:~/gcc/build/gcc-test2$

[Bug target/81471] [5/6/7/8 Regression] internal compiler error: in curr_insn_transform, at lra-constraints.c:3495

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81471 Uroš Bizjak changed: What|Removed |Added Keywords|ra | Target Milestone|---

[Bug target/81471] internal compiler error: in curr_insn_transform, at lra-constraints.c:3495

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81471 --- Comment #6 from Uroš Bizjak --- (In reply to Gian-Carlo Pascutto from comment #4) > Further reduced testcase: > > #include > > uint64_t f(uint64_t x) { > return ((uint32_t)x << 55) | ((uint32_t)x >> -23); > } > > This makes it more

[Bug target/81471] internal compiler error: in curr_insn_transform, at lra-constraints.c:3495

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81471 Uroš Bizjak changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug target/81471] internal compiler error: in curr_insn_transform, at lra-constraints.c:3495

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81471 --- Comment #4 from Gian-Carlo Pascutto --- Further reduced testcase: #include uint64_t f(uint64_t x) { return ((uint32_t)x << 55) | ((uint32_t)x >> -23); } This makes it more clear the code is UB, but AFAIK a compiler ICE doesn't fall

[Bug target/81471] internal compiler error: in curr_insn_transform, at lra-constraints.c:3495

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81471 --- Comment #3 from Gian-Carlo Pascutto --- Note the flags, -march=native in this case was Intel Haswell. -O3 -march=haswell is required to trigger this.

[Bug tree-optimization/81428] [7/8 Regression] ICE: in build_one_cst, at tree.c:2079 with -O2. Fixed point division.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81428 --- Comment #4 from Jakub Jelinek --- Author: jakub Date: Mon Jul 17 19:45:59 2017 New Revision: 250289 URL: https://gcc.gnu.org/viewcvs?rev=250289=gcc=rev Log: PR tree-optimization/81428 * match.pd (X / X -> one): Don't

[Bug target/81471] internal compiler error: in curr_insn_transform, at lra-constraints.c:3495

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81471 --- Comment #2 from Gian-Carlo Pascutto --- #include inline uint32_t rotl(const uint32_t x, const int k) { return (x << k) | (x >> (32 - k)); } uint64_t s[2]; uint64_t random(void) { const uint64_t s0 = s[0]; uint64_t s1 = s[1];

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 --- Comment #5 from Bill Schmidt --- Doesn't reproduce for powerpc64le. I'll have to build a cross.

[Bug tree-optimization/81365] [7/8 Regression] GCC miscompiles swap

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81365 --- Comment #7 from Jakub Jelinek --- Author: jakub Date: Mon Jul 17 19:42:37 2017 New Revision: 250288 URL: https://gcc.gnu.org/viewcvs?rev=250288=gcc=rev Log: PR tree-optimization/81365 * tree-ssa-phiprop.c

[Bug sanitizer/81066] sanitizer_stoptheworld_linux_libcdep.cc:276:22: error: aggregate ‘sigaltstack handler_stack’ has incomplete type and cannot be defined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81066 --- Comment #15 from Jakub Jelinek --- Author: jakub Date: Mon Jul 17 19:41:08 2017 New Revision: 250287 URL: https://gcc.gnu.org/viewcvs?rev=250287=gcc=rev Log: Backported from mainline 2017-07-14 Jakub Jelinek

[Bug c++/81258] [7/8 Regression] ICE on C++1z code with invalid decomposition declaration: in cp_finish_decl, at cp/decl.c:6760

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81258 --- Comment #4 from Jakub Jelinek --- Author: jakub Date: Mon Jul 17 19:39:23 2017 New Revision: 250286 URL: https://gcc.gnu.org/viewcvs?rev=250286=gcc=rev Log: Backported from mainline 2017-07-04 Jakub Jelinek

[Bug target/81225] [6/7 Regression] ICE with -mavx512ifma -O3 -ffloat-store

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81225 --- Comment #7 from Jakub Jelinek --- Author: jakub Date: Mon Jul 17 19:38:29 2017 New Revision: 250285 URL: https://gcc.gnu.org/viewcvs?rev=250285=gcc=rev Log: Backported from mainline 2017-06-30 Jakub Jelinek

[Bug target/81471] internal compiler error: in curr_insn_transform, at lra-constraints.c:3495

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81471 --- Comment #1 from Uroš Bizjak --- (In reply to Gian-Carlo Pascutto from comment #0) > In another module there is: Please provide a compilable source file (preferably minimized) that triggers the ICE, as instructed in [1]. [1]

[Bug libgomp/81386] [8 regression] libgomp.fortran/appendix-a/a.16.1.f90 fails starting with 249424

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81386 --- Comment #5 from Bill Schmidt --- The code is being vectorized in the "fails" dump and not being vectorized in the "works" dump. This cannot be due to r249424, which does gimple folding on some Power-specific built-ins, for this is a generic

[Bug libgomp/81386] [8 regression] libgomp.fortran/appendix-a/a.16.1.f90 fails starting with 249424

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81386 --- Comment #4 from seurer at gcc dot gnu.org --- Looking at the difference in generated code. The more recent (failing) builds are generating a whole bunch of vector ops where the old (working) code did not. < failing code (r250280) > last

[Bug libgomp/81386] [8 regression] libgomp.fortran/appendix-a/a.16.1.f90 fails starting with 249424

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81386 --- Comment #3 from seurer at gcc dot gnu.org --- Created attachment 41777 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41777=edit Assembler for works

[Bug libgomp/81386] [8 regression] libgomp.fortran/appendix-a/a.16.1.f90 fails starting with 249424

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81386 --- Comment #2 from seurer at gcc dot gnu.org --- Created attachment 41776 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41776=edit Assembler for fails

[Bug libstdc++/81468] is_constructible gives the wrong answer for time_point construction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81468 --- Comment #1 from Daniel Krügler --- It seems that the implementation simply forgot to constrain overload resolution, since this is the complete definition of the affected constructor: template constexpr time_point(const time_point

[Bug tree-optimization/81162] [8 Regression] UBSAN switch triggers incorrect optimization in SLSR

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81162 --- Comment #13 from Bill Schmidt --- Author: wschmidt Date: Mon Jul 17 19:12:11 2017 New Revision: 250284 URL: https://gcc.gnu.org/viewcvs?rev=250284=gcc=rev Log: 2017-07-17 Bill Schmidt PR

[Bug other/81345] -Wall resets -Wstringop-overflow to 1 from the default 2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81345 Martin Sebor changed: What|Removed |Added Known to fail|7.1.0 |8.0 --- Comment #7 from Martin Sebor

[Bug libstdc++/81469] std::uncaught_exception should be marked as deprecated for C++1z

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81469 emi_cuenca at hotmail dot com changed: What|Removed |Added CC||emi_cuenca at hotmail dot

[Bug c/81471] New: internal compiler error: in curr_insn_transform, at lra-constraints.c:3495

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81471 Bug ID: 81471 Summary: internal compiler error: in curr_insn_transform, at lra-constraints.c:3495 Product: gcc Version: unknown Status: UNCONFIRMED Severity:

[Bug bootstrap/81470] New: [8 Regression] Bootstrap comparison failures in gcc/ada

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81470 Bug ID: 81470 Summary: [8 Regression] Bootstrap comparison failures in gcc/ada Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug libstdc++/81469] New: std::uncaught_exception should be marked as deprecated for C++1z

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81469 Bug ID: 81469 Summary: std::uncaught_exception should be marked as deprecated for C++1z Product: gcc Version: 7.1.0 Status: UNCONFIRMED Severity: normal

[Bug libstdc++/81468] New: is_constructible gives the wrong answer for time_point construction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81468 Bug ID: 81468 Summary: is_constructible gives the wrong answer for time_point construction Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal

[Bug go/81393] Bootstrap failure on s390x-linux while building libgo against recent glibc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81393 Jakub Jelinek changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|FIXED

[Bug c/81467] New: AVX-512 support for inline assembly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81467 Bug ID: 81467 Summary: AVX-512 support for inline assembly Product: gcc Version: 6.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug target/81456] [7/8 Regression] x86-64 optimizer makes wrong decision when optimizing for size

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81456 --- Comment #2 from James Greenhalgh --- (In reply to Martin Liška from comment #1) > Confirmed, started with r238594. The cost model relies on the target giving a reasonable approximation for an instruction size through ix86_rtx_costs. The

[Bug other/52992] Incorrect sprintf format in fixincludes/fixincl.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52992 Andris Pavenis changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug middle-end/70140] Inefficient expansion of __builtin_mempcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70140 --- Comment #7 from Wilco --- (In reply to Martin Liška from comment #6) > Created attachment 41772 [details] > Patch candidate > > I'm going to prepare some test-cases for that. Does it look good? Yes, it now inlines small constant sizes.

[Bug preprocessor/71681] header.gcc file lookup is broken for -remap

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71681 Andris Pavenis changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug middle-end/81464] [8 Regression] ICE in expand_omp_for_static_chunk, at omp-expand.c:4236

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81464 --- Comment #3 from Tom de Vries --- Minimal example: ... program main implicit none real, dimension(:,:),allocatable :: a, b, c real :: sm allocate (a(2,2), b(2,2), c(2,2)) call random_number(a) call random_number(b) c =

[Bug c/46742] -Wparentheses unexpectedly misses some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46742 --- Comment #5 from Franz Sirl --- Actually, after seeing a large bunch of justified warnings in our codebase with the disabled APPEARS_TO_BE_BOOLEAN_EXPR_P check, I wonder if a new option like -Wbool-bitwise-parentheses (thus not depending on

[Bug gcov-profile/81442] error: verify_flow_info: REG_BR_PROB is set but cfg probability is not during RTL pass: outof_cfglayout

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81442 --- Comment #5 from Tom de Vries --- (In reply to cesar from comment #4) > I posted a patch that fixes this issue on July 13, 2017: > > https://gcc.gnu.org/ml/gcc-patches/2017-07/msg00750.html > > It is pending review. Assuming this is indeed

[Bug tree-optimization/81403] [8 Regression] wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81403 --- Comment #6 from Richard Biener --- Kind-of a duplicate of PR80620 as well. Testing a patch.

[Bug tree-optimization/81403] [8 Regression] wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81403 --- Comment #5 from Richard Biener --- So this is during partial-PRE insertion where after PRE insertion of Found partial redundancy for expression {bit_not_expr,_13} (0020) Inserted _33 = ~_3; in predecessor 5 (0014) Created phi prephitmp_34

[Bug c/81453] relational expression involving null pointer not diagnosed with -Wall

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81453 Eric Gallager changed: What|Removed |Added CC||egall at gwmail dot gwu.edu --- Comment

[Bug tree-optimization/81462] [8 Regression] ICE in estimate_bb_frequencies at gcc/predict.c:3546

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81462 Markus Trippelsdorf changed: What|Removed |Added CC||trippels at gcc dot gnu.org ---

[Bug middle-end/70992] Infinite recursion between fold_build2_stat_loc and fold_binary_loc w/ -fwrapv

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70992 Alexander Monakov changed: What|Removed |Added CC||amonakov at gcc dot gnu.org ---

[Bug middle-end/81443] gcc-7.1.0/MIPS N32: build/genrecog.o: virtual memory exhausted: Cannot allocate memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81443 --- Comment #3 from Joshua Kinard --- It's just build/genrecog.c. I had a stale build environment file that was still sending "-j3" to 'make'. I fixed that and restarted from where it last left off, and it gets to genrecog.c and spent about

[Bug c/46742] -Wparentheses unexpectedly misses some cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46742 --- Comment #4 from Franz Sirl --- APPEARS_TO_BE_BOOLEAN_EXPR_P was introduced with r141340 (PR 7543), but I cannot find a discussion on why this suppression makes sense. When I disable it I only see 3 places where it triggers in trunk:

[Bug gcov-profile/81442] error: verify_flow_info: REG_BR_PROB is set but cfg probability is not during RTL pass: outof_cfglayout

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81442 cesar at gcc dot gnu.org changed: What|Removed |Added CC||cesar at gcc dot gnu.org ---

[Bug middle-end/70992] Infinite recursion between fold_build2_stat_loc and fold_binary_loc w/ -fwrapv

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70992 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment

[Bug target/81426] [SH]: unable to find a register to spill in class 'R0_REGS' when building webkit2gtk

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81426 --- Comment #6 from John Paul Adrian Glaubitz --- (In reply to Oleg Endo from comment #5) > This sounds like a different issue. Can you please create another PR for > that with the title "syntax error in @(disp,[Rn, gbr, pc]) when compiling >

[Bug target/81466] [SH]: Error: syntax error in @(disp,[Rn, gbr, pc]) when building with -mlra

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81466 --- Comment #1 from John Paul Adrian Glaubitz --- Created attachment 41775 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41775=edit Generated assembly for MapPrototype.cpp (gzipped)

[Bug sanitizer/63361] Test case c-c++-common/ubsan/float-cast-overflow-1.c fails on Pentium2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63361 --- Comment #14 from Jakub Jelinek --- grep FLT_EVAL_METHOD config/*/* says the only problematic arches are i?86, s390*, m68k*, arm and maybe aarch64. add-ieee-options has just i?86 and m68k (clearly wrong, because it really should not use

[Bug target/81466] New: [SH]: Error: syntax error in @(disp,[Rn, gbr, pc]) when building with -mlra

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81466 Bug ID: 81466 Summary: [SH]: Error: syntax error in @(disp,[Rn, gbr, pc]) when building with -mlra Product: gcc Version: 7.1.0 URL:

[Bug tree-optimization/81462] [8 Regression] ICE in estimate_bb_frequencies at gcc/predict.c:3546

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81462 Jan Hubicka changed: What|Removed |Added CC||hubicka at gcc dot gnu.org --- Comment #1

[Bug middle-end/70140] Inefficient expansion of __builtin_mempcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70140 --- Comment #6 from Martin Liška --- Created attachment 41772 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41772=edit Patch candidate I'm going to prepare some test-cases for that. Does it look good?

[Bug sanitizer/63361] Test case c-c++-common/ubsan/float-cast-overflow-1.c fails on Pentium2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63361 --- Comment #13 from Martin Liška --- (In reply to Jakub Jelinek from comment #12) > Comment on attachment 41771 [details] > Patch candidate > > I don't think we want to add -ffloat-store unconditionally, only for targets > that really need it.

[Bug c/6906] warn about asserts with side effects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=6906 --- Comment #8 from owner at bugs dot debian.org --- Thank you for the additional information you have supplied regarding this Bug report. This is an automatically generated reply to let you know your message has been received. Your message is

[Bug tree-optimization/81461] Optimization for removing same variable comparisons in loop: while(it != end1 && it != end2)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81461 --- Comment #2 from Antony Polukhin --- (In reply to Richard Biener from comment #1) > jump threading Thanks, now I know hot the transformation of for (;it != end && it != *chunks + 128; ++it) { sum += *it; } into

[Bug sanitizer/63361] Test case c-c++-common/ubsan/float-cast-overflow-1.c fails on Pentium2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63361 --- Comment #12 from Jakub Jelinek --- Comment on attachment 41771 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41771 Patch candidate I don't think we want to add -ffloat-store unconditionally, only for targets that really need it.

[Bug c/6906] warn about asserts with side effects

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=6906 felix changed: What|Removed |Added CC||felix.von.s at posteo dot de --- Comment #7 from

[Bug sanitizer/63361] Test case c-c++-common/ubsan/float-cast-overflow-1.c fails on Pentium2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63361 --- Comment #11 from Martin Liška --- Created attachment 41771 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41771=edit Patch candidate Can you please test the attached patch on Pentium 2 machine?

[Bug sanitizer/63361] Test case c-c++-common/ubsan/float-cast-overflow-1.c fails on Pentium2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63361 --- Comment #10 from Martin Liška --- It's a typical x87 code, where registers have better precision that a double. Thus adding -ffloat-store fixed the test-case, I'll send a patch.

[Bug middle-end/28859] GCC calls malloc from within signal context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28859 --- Comment #7 from Martin Liška --- Yep, let's forget about it ;)

[Bug sanitizer/63361] Test case c-c++-common/ubsan/float-cast-overflow-1.c fails on Pentium2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63361 Martin Liška changed: What|Removed |Added Status|WAITING |ASSIGNED Assignee|unassigned

[Bug middle-end/28859] GCC calls malloc from within signal context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28859 --- Comment #6 from rguenther at suse dot de --- On Mon, 17 Jul 2017, marxin at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28859 > > Martin Liška changed: > >What|Removed |Added

[Bug libstdc++/79162] [7 Regression] [C++17] ambiguity in string assignment due to string_view overload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79162 Jonathan Wakely changed: What|Removed |Added Status|RESOLVED|REOPENED Resolution|FIXED

[Bug tree-optimization/81354] [5/6 Regression] Segmentation fault in SSA Strength Reduction using -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81354 Bill Schmidt changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |wschmidt at gcc dot gnu.org ---

[Bug middle-end/28859] GCC calls malloc from within signal context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28859 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/81441] slowdown due to -fpeel-loops and -ftracer added by -fprofile-use

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81441 Joost VandeVondele changed: What|Removed |Added CC||Joost.VandeVondele at mat dot ethz

[Bug tree-optimization/81162] [8 Regression] UBSAN switch triggers incorrect optimization in SLSR

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81162 --- Comment #12 from Bill Schmidt --- Right, sorry about the ubsan dependency screwup. I'll move the test case later today.

[Bug middle-end/81443] gcc-7.1.0/MIPS N32: build/genrecog.o: virtual memory exhausted: Cannot allocate memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81443 --- Comment #2 from Joshua Kinard --- (In reply to Richard Biener from comment #1) > What file is it compiling? As far as I can tell, it looks somewhat random. I initially thought that 'build/genrecog.o' was a single file, but after several

[Bug tree-optimization/81162] [8 Regression] UBSAN switch triggers incorrect optimization in SLSR

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81162 --- Comment #11 from rguenther at suse dot de --- On Mon, 17 Jul 2017, bernd.edlinger at hotmail dot de wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81162 > > Bernd Edlinger changed: > >What|Removed

[Bug tree-optimization/81418] [8 Regression] ICE in vect_get_vec_def_for_stmt_copy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81418 --- Comment #3 from Richard Biener --- Hrm. So whenever a reducing pattern is exercised in the reduction "chain" we cannot handle regular uses of the PHI as we basically have to force a single_defuse_cycle. So we can't vectorize this case but

[Bug rtl-optimization/81423] [6/7/8 Regression] Wrong code at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81423 --- Comment #6 from Uroš Bizjak --- (In reply to Segher Boessenkool from comment #5) > There are a few issues here. > > 1) I cannot reproduce it: a trunk x86_64-linux compiler stores to > memory in that insn 20 (the testcase from comment 3).

[Bug target/81426] [SH]: unable to find a register to spill in class 'R0_REGS' when building webkit2gtk

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81426 --- Comment #5 from Oleg Endo --- (In reply to John Paul Adrian Glaubitz from comment #4) > > It helps, indeed. The build now passes the problematic source code file. > However, it now bails out later with: > > /tmp/cck5XKuE.s: Assembler

[Bug c++/81347] g++ confused by namespaces and friend classes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81347 --- Comment #3 from Jonathan Wakely --- I would guess that the instantiation of A::tree injects the type map into the enclosing namespace, and then the using-declaration finds two declarations and thinks it's an error. bug.cc:17:10: error:

[Bug c++/81347] g++ confused by namespaces and friend classes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81347 Jonathan Wakely changed: What|Removed |Added Keywords||rejects-valid

[Bug tree-optimization/81162] [8 Regression] UBSAN switch triggers incorrect optimization in SLSR

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81162 Bernd Edlinger changed: What|Removed |Added CC||bernd.edlinger at hotmail dot de ---

[Bug sanitizer/81302] [7/8 Regression] Segmentation fault in diagnose_tm_1 at trans-mem.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81302 --- Comment #4 from Martin Liška --- Author: marxin Date: Mon Jul 17 11:44:54 2017 New Revision: 250271 URL: https://gcc.gnu.org/viewcvs?rev=250271=gcc=rev Log: Do not allow -fgnu-tm w/ -fsanitize={kernel-,}address (PR sanitizer/81302).

[Bug tree-optimization/81388] [7/8 Regression] Incorrect code generation with -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388 amker at gcc dot gnu.org changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |amker at gcc dot

[Bug tree-optimization/81369] [8 Regression] ICE in generate_code_for_partition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81369 --- Comment #4 from amker at gcc dot gnu.org --- Author: amker Date: Mon Jul 17 11:40:54 2017 New Revision: 250270 URL: https://gcc.gnu.org/viewcvs?rev=250270=gcc=rev Log: PR target/81369 * tree-loop-distribution.c

[Bug other/81458] Misdetection of gcc_cv_as_cfi_advance_working

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81458 --- Comment #2 from Joerg Sonnenberger --- More testing seems to point to binutils 2.28 as fixing objcopy. It is still not clear whether there is any reason to preferring it though, especially as many systems ship older versions.

[Bug tree-optimization/81369] [8 Regression] ICE in generate_code_for_partition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81369 --- Comment #3 from amker at gcc dot gnu.org --- Author: amker Date: Mon Jul 17 11:38:15 2017 New Revision: 250269 URL: https://gcc.gnu.org/viewcvs?rev=250269=gcc=rev Log: PR target/81369 * tree-loop-distribution.c

[Bug middle-end/81464] [8 Regression] ICE in expand_omp_for_static_chunk, at omp-expand.c:4236

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81464 Richard Biener changed: What|Removed |Added Version|7.0 |8.0 Target Milestone|---

[Bug tree-optimization/81462] [8 Regression] ICE in estimate_bb_frequencies at gcc/predict.c:3546

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81462 Richard Biener changed: What|Removed |Added Priority|P3 |P1 Version|7.0

[Bug tree-optimization/81463] [8 Regression] ICE in scale_loop_profile at gcc/cfgloopmanip.c:603

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81463 Richard Biener changed: What|Removed |Added Priority|P3 |P1 Version|7.0

[Bug tree-optimization/81461] Optimization for removing same variable comparisons in loop: while(it != end1 && it != end2)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81461 Richard Biener changed: What|Removed |Added Keywords||missed-optimization

[Bug sanitizer/81460] [8 Regression] ICE in force_constant_size, at gimplify.c:684

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81460 Richard Biener changed: What|Removed |Added Version|7.0 |8.0 Target Milestone|---

[Bug middle-end/81457] Inconsistent section flags for section attribute

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81457 --- Comment #1 from Richard Biener --- Please post the patch to gcc-patches

[Bug tree-optimization/81374] [8 Regression] ICE in bb_top_order_cmp, at tree-loop-distribution.c:391

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81374 --- Comment #3 from amker at gcc dot gnu.org --- Author: amker Date: Mon Jul 17 11:34:30 2017 New Revision: 250268 URL: https://gcc.gnu.org/viewcvs?rev=250268=gcc=rev Log: PR tree-optimization/81374 * tree-loop-distribution.c

[Bug target/81456] [7/8 Regression] x86-64 optimizer makes wrong decision when optimizing for size

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81456 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Target Milestone|---

[Bug tree-optimization/81450] Typedef with assume aligned builtin yields segmentation fault in nested loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81450 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/81426] [SH]: unable to find a register to spill in class 'R0_REGS' when building webkit2gtk

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81426 --- Comment #4 from John Paul Adrian Glaubitz --- (In reply to Oleg Endo from comment #3) > Please try. It might allow you to at least build the package. Regardless > of that, let's keep this PR open. It helps, indeed. The build now passes

[Bug middle-end/81443] gcc-7.1.0/MIPS N32: build/genrecog.o: virtual memory exhausted: Cannot allocate memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81443 Richard Biener changed: What|Removed |Added Target||mips Status|UNCONFIRMED

[Bug middle-end/81441] slowdown due to -fpeel-loops and -ftracer added by -fprofile-use

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81441 Richard Biener changed: What|Removed |Added Keywords||missed-optimization

[Bug middle-end/81030] [8 Regression] ICE on valid code at -O1 (only) on x86_64-linux-gnu: verify_flow_info failed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81030 Tom de Vries changed: What|Removed |Added Keywords||patch --- Comment #9 from Tom de Vries

[Bug rtl-optimization/81423] [6/7/8 Regression] Wrong code at -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81423 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/81418] [8 Regression] ICE in vect_get_vec_def_for_stmt_copy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81418 Richard Biener changed: What|Removed |Added Priority|P3 |P1 Status|NEW

[Bug c++/81410] [5/6/7/8 Regression] -O3 breaks code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81410 Richard Biener changed: What|Removed |Added Keywords||wrong-code Priority|P3

[Bug gcov-profile/81442] error: verify_flow_info: REG_BR_PROB is set but cfg probability is not during RTL pass: outof_cfglayout

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81442 Thomas Schwinge changed: What|Removed |Added Keywords||openacc

[Bug middle-end/81408] Lots of new -Wunsafe-loop-optimizations warnings with 7 compared to 6

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81408 Richard Biener changed: What|Removed |Added Keywords||diagnostic Component|c++

[Bug lto/81406] [6/7/8 Regression] ICE in check_die, at dwarf2out.c:6185

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81406 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Target Milestone|---

[Bug tree-optimization/81403] [8 Regression] wrong code at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81403 Richard Biener changed: What|Removed |Added Priority|P3 |P1 Status|NEW

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