[Bug sanitizer/70147] [6 Regression] testcase from hana testsuite gets miscompiled with -fsanitize=undefined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70147 --- Comment #21 from Jakub Jelinek --- Author: jakub Date: Wed Mar 16 07:01:36 2016 New Revision: 234248 URL: https://gcc.gnu.org/viewcvs?rev=234248&root=gcc&view=rev Log: PR c++/70147 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl

[Bug sanitizer/70147] [6 Regression] testcase from hana testsuite gets miscompiled with -fsanitize=undefined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70147 --- Comment #22 from Jakub Jelinek --- Author: jakub Date: Wed Mar 16 07:02:30 2016 New Revision: 234249 URL: https://gcc.gnu.org/viewcvs?rev=234249&root=gcc&view=rev Log: PR c++/70147 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_p

[Bug c++/70252] New: ICE in vect_get_vec_def_for_stmt_copy with -O3 -march=skylake-avx512.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70252 Bug ID: 70252 Summary: ICE in vect_get_vec_def_for_stmt_copy with -O3 -march=skylake-avx512. Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal

[Bug target/70120] [6 Regression][aarch64] -g causes Assembler messages: Error: unaligned opcodes detected in executable segment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70120 --- Comment #8 from Zdenek Sojka --- Created attachment 37987 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37987&action=edit further testcases (In reply to Richard Henderson from comment #6) > Created attachment 37975 [details] > propose

[Bug tree-optimization/68809] [6 Regression] ICE: verify_gimple failed (error: type mismatch in binary expression) w/ -O2 (-O3, -Ofast) -floop-nest-optimize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68809 vries at gcc dot gnu.org changed: What|Removed |Added Keywords||patch --- Comment #5 from vrie

[Bug c++/70253] New: gets() c++14

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70253 Bug ID: 70253 Summary: gets() c++14 Product: gcc Version: 5.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned a

[Bug c++/70253] gets() c++14

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70253 --- Comment #1 from lonewohlf42 at cogeco dot ca --- Sorry if this seems trivial.

[Bug tree-optimization/68715] [6 Regression] ice: in harmful_stmt_in_region, at graphite-scop-detection.c:1043

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68715 vries at gcc dot gnu.org changed: What|Removed |Added Keywords||ice-on-valid-code, patch --- C

[Bug middle-end/70245] [6 Regression] Miscompilation of ICU on i386 with atom tuning starting with r227382

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70245 --- Comment #6 from Jakub Jelinek --- Ah, you're right, sorry for blindly CCing you after bisecting to a RA related commit. The peephole would be fine if replace_rtx worked; unfortunately it does pointer comparison (x == from) rather than rtx_equ

[Bug lto/70187] [6 Regression] ICE (segfault) in lto1 with -Wsuggest-final-methods/-Wsuggest-final-types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70187 vries at gcc dot gnu.org changed: What|Removed |Added Keywords||patch --- Comment #3 from vrie

[Bug middle-end/70245] [6 Regression] Miscompilation of ICU on i386 with atom tuning starting with r227382

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70245 --- Comment #7 from Jakub Jelinek --- Created attachment 37988 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37988&action=edit gcc6-pr70245.patch So, I think the options we have are: 1) the attached patch, use simplify_replace_rtx which u

[Bug c++/70253] gets() c++14

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70253 Andreas Schwab changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug middle-end/70240] [6 Regression] ICE: in gimplify_modify_expr, at gimplify.c:4854 with -ftree-vectorize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70240 --- Comment #8 from Richard Biener --- (In reply to Richard Henderson from comment #7) > It appears that if we take some advice from PR68714 #c6, > adjusting the gimplification of VEC_COND_EXPR, that alone > fixes the original PR68215. > > If we

[Bug middle-end/70245] [6 Regression] Miscompilation of ICU on i386 with atom tuning starting with r227382

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70245 --- Comment #8 from Jakub Jelinek --- Though, looking at other spots that are using replace_rtx, e.g. sh and epiphany also use it in define_peephole2, thus post reload, and there are tons of other calls that probably want to use rtx_equal_p inste

[Bug middle-end/70245] [6 Regression] Miscompilation of ICU on i386 with atom tuning starting with r227382

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70245 --- Comment #9 from Uroš Bizjak --- Please disable the pattern for gcc-6, and let's fix replace_rtx for gcc-7.

[Bug tree-optimization/70221] graph dump flag used for constraint graph in points-to analysis

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70221 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug middle-end/70245] [6 Regression] Miscompilation of ICU on i386 with atom tuning starting with r227382

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70245 --- Comment #10 from Jakub Jelinek --- (In reply to Uroš Bizjak from comment #9) > Please disable the pattern for gcc-6, and let's fix replace_rtx for gcc-7. Disabling the peephole2 entirely would be too aggressive, if we want to avoid the probl

[Bug c++/70218] [5/6 Regression] Illegal access to private fields succeeds with 5/6

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70218 Matthias Klose changed: What|Removed |Added Known to fail|5.1.1 |5.3.1 --- Comment #3 from Matthias Klos

[Bug middle-end/70245] [6 Regression] Miscompilation of ICU on i386 with atom tuning starting with r227382

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70245 --- Comment #11 from Jakub Jelinek --- simplify_replace_rtx is what e.g. postreload uses (together with validate_change to punt if the result isn't valid), which is how I've modeled my patch (there is no insn to validate yet in the peephole2 prep

[Bug middle-end/70245] [6 Regression] Miscompilation of ICU on i386 with atom tuning starting with r227382

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70245 --- Comment #12 from Uroš Bizjak --- (In reply to Jakub Jelinek from comment #10) > (In reply to Uroš Bizjak from comment #9) > > Please disable the pattern for gcc-6, and let's fix replace_rtx for gcc-7. > > Disabling the peephole2 entirely wou

[Bug target/69979] ARM naked function attribute not handling structs bigger than 32 bits correctly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69979 Ramana Radhakrishnan changed: What|Removed |Added Priority|P3 |P4 Status|UNCONFIRMED

[Bug target/70232] [6 regression] excessive stack usage with -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70232 Ramana Radhakrishnan changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/70155] Use SSE for TImode load/store

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70155 --- Comment #4 from Uroš Bizjak --- (In reply to H.J. Lu from comment #3) > We can extend STV pass to 64-bit mode to convert load and store of > 128-bit ntegers to 128-bit SSE load and store, which is implemented > on hjl/pr70155/master branch. >

[Bug tree-optimization/68809] [6 Regression] ICE: verify_gimple failed (error: type mismatch in binary expression) w/ -O2 (-O3, -Ofast) -floop-nest-optimize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68809 --- Comment #6 from vries at gcc dot gnu.org --- Author: vries Date: Wed Mar 16 09:19:12 2016 New Revision: 234250 URL: https://gcc.gnu.org/viewcvs?rev=234250&root=gcc&view=rev Log: Fix same_close_phi_node 2016-03-16 Tom de Vries PR

[Bug tree-optimization/68715] [6 Regression] ice: in harmful_stmt_in_region, at graphite-scop-detection.c:1043

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68715 --- Comment #10 from vries at gcc dot gnu.org --- Author: vries Date: Wed Mar 16 09:19:23 2016 New Revision: 234251 URL: https://gcc.gnu.org/viewcvs?rev=234251&root=gcc&view=rev Log: Add missing single_pred_p test in scop_detection::merge_sese 2

[Bug tree-optimization/68809] [6 Regression] ICE: verify_gimple failed (error: type mismatch in binary expression) w/ -O2 (-O3, -Ofast) -floop-nest-optimize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68809 vries at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--

[Bug tree-optimization/68715] [6 Regression] ice: in harmful_stmt_in_region, at graphite-scop-detection.c:1043

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68715 vries at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--

[Bug bootstrap/67728] Build fails when cross-compiling with in-tree GMP and ISL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67728 --- Comment #15 from Andrew Roberts --- Marc, not entirely clear what you mean by reproducing the issue without downloading mpfr, mpc, isl etc. Do you mean the missing symbol in GMP or the issues with GMP when using assembly code? If you could p

[Bug c++/70254] New: Compiler crash

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70254 Bug ID: 70254 Summary: Compiler crash Product: gcc Version: 4.9.2 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned

[Bug bootstrap/67728] Build fails when cross-compiling with in-tree GMP and ISL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67728 --- Comment #16 from Bernd Edlinger --- you should use whatever gmp,mpfr,mpc version you like. with or without assembly should not make any difference. That should work, but dont expect it to work in-tree. Instead use the --with-gmp --with-mpfr

[Bug c++/70254] Compiler crash

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70254 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug tree-optimization/70252] ICE in vect_get_vec_def_for_stmt_copy with -O3 -march=skylake-avx512.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70252 Richard Biener changed: What|Removed |Added Target|x86_64 |x86_64-*-* Status|UNCONFIRM

[Bug c/70250] Compilation hangs without optimization.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70250 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug lto/70187] [6 Regression] ICE (segfault) in lto1 with -Wsuggest-final-methods/-Wsuggest-final-types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70187 --- Comment #4 from vries at gcc dot gnu.org --- Author: vries Date: Wed Mar 16 10:21:27 2016 New Revision: 234253 URL: https://gcc.gnu.org/viewcvs?rev=234253&root=gcc&view=rev Log: Safely use nodes[0] in possible_polymorphic_call_targets 2016-0

[Bug lto/70187] [6 Regression] ICE (segfault) in lto1 with -Wsuggest-final-methods/-Wsuggest-final-types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70187 vries at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--

[Bug tree-optimization/70252] ICE in vect_get_vec_def_for_stmt_copy with -O3 -march=skylake-avx512.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70252 --- Comment #2 from Ilya Enkovich --- Seems it is due to incorrect mask conversion. The problem is that both scalar mask of 4 elements and scalar mask of 8 elements have QImode. It makes us think that we may get vec(4) using vec_unpack_[lo|hi]_

[Bug other/70185] fdump-tree-all-graph produces invalid dot files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70185 vries at gcc dot gnu.org changed: What|Removed |Added Keywords||patch Assignee|unass

[Bug ipa/70161] [4.9/5 Regression] fdump-ipa-all-graph causes segfault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70161 vries at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|