[Bug rtl-optimization/106041] infinite loop in fast_dce at -O1 with aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106041 --- Comment #4 from Jan Wassenberg --- Thanks for having a look! BTW forgot to mention: version 11.0 does not have this issue.

[Bug gcov-profile/106036] Missing stdint.h include in libgcc/libgcov.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106036 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug tree-optimization/105740] missed optimization switch transformation for conditions with duplicate conditions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105740 Martin Liška changed: What|Removed |Added CC||jakub at gcc dot gnu.org,

[Bug tree-optimization/105736] [12/13 Regression] ICE in force_gimple_operand_1, at gimplify-me.cc:79 since r13-222-g28896b38fabce818

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105736 --- Comment #4 from CVS Commits --- The master branch has been updated by Siddhesh Poyarekar : https://gcc.gnu.org/g:70454c50b4592fe6876ecca13268264e395e058f commit r13-1183-g70454c50b4592fe6876ecca13268264e395e058f Author: Siddhesh Poyarekar

[Bug c++/105864] storing nullptr_t to memory should not generate any instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105864 --- Comment #5 from Ivan Sorokin --- I would suggest (In reply to Andrew Pinski from comment #4) > nullptr_t t, t1 = nullptr; > __builtin_memcpy(&a[0], &t, sizeof(t)); > So I suspect this should be marked as invalid. The questions is how G

[Bug c++/105864] storing nullptr_t to memory should not generate any instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105864 --- Comment #6 from Andrew Pinski --- (In reply to Ivan Sorokin from comment #5) > I would suggest (In reply to Andrew Pinski from comment #4) > > nullptr_t t, t1 = nullptr; > > __builtin_memcpy(&a[0], &t, sizeof(t)); > > > So I suspect thi

[Bug target/106038] x86_64 vectorization of ALU ops using xmm registers prematurely

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106038 Richard Biener changed: What|Removed |Added Keywords||missed-optimization Last reconfirmed

[Bug c/106043] New: Power10: lacking vec_blendv builtins

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106043 Bug ID: 106043 Summary: Power10: lacking vec_blendv builtins Product: gcc Version: 11.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug rtl-optimization/106041] [12/13 Regression] infinite loop in fast_dce at -O1 with aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106041 Richard Biener changed: What|Removed |Added Version|12.0|12.1.0 Target Milestone|---

[Bug tree-optimization/105740] missed optimization switch transformation for conditions with duplicate conditions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105740 --- Comment #4 from Richard Biener --- IIRC switch conversion was run early originally because it was supposed to improve inlining heuristics. One might view if-to-switch + switch-conversion as canonicalization which would mean running it befor

[Bug rtl-optimization/106041] [12/13 Regression] infinite loop in fast_dce at -O1 with aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106041 --- Comment #5 from Martin Liška --- (In reply to Jan Wassenberg from comment #4) > Thanks for having a look! BTW forgot to mention: version 11.0 does not have > this issue. Can you please share pre-processed source from GCC 11? And can you ver

[Bug tree-optimization/105740] missed optimization switch transformation for conditions with duplicate conditions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105740 --- Comment #5 from Jakub Jelinek --- The problem with switch-conversion done multiple times is that when it is done early, it can do worse job than when it is done late, e.g. we can have better range information later which allows (unfortunatel

[Bug rtl-optimization/106041] [12/13 Regression] infinite loop in fast_dce at -O1 with aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106041 --- Comment #6 from Jan Wassenberg --- Created attachment 53181 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53181&action=edit GCC11 zipped preprocessed source

[Bug rtl-optimization/106041] [12/13 Regression] infinite loop in fast_dce at -O1 with aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106041 --- Comment #7 from Jan Wassenberg --- Sure, added GCC11 .ii. It does indeed still freeze GCC 12.

[Bug tree-optimization/105740] missed optimization switch transformation for conditions with duplicate conditions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105740 --- Comment #6 from rguenther at suse dot de --- On Tue, 21 Jun 2022, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105740 > > --- Comment #5 from Jakub Jelinek --- > The problem with switch-conversion done mu

[Bug tree-optimization/105740] missed optimization switch transformation for conditions with duplicate conditions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105740 --- Comment #7 from CVS Commits --- The master branch has been updated by Xiong Hu Luo : https://gcc.gnu.org/g:57424087e82db140c06d4ea73f9700d5291c5bc2 commit r13-1184-g57424087e82db140c06d4ea73f9700d5291c5bc2 Author: Xionghu Luo Date: Thu

[Bug middle-end/106030] [13 Regression] ice in emit_move_insn, at expr.cc:4026

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106030 --- Comment #7 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:2df1df945fac85d7b3d084001414a66a2709d8fe commit r13-1185-g2df1df945fac85d7b3d084001414a66a2709d8fe Author: Jakub Jelinek Date: T

[Bug rtl-optimization/106032] [10/11/12/13 Regression] wrong code at -Os and above on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106032 --- Comment #10 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:a0c30fe3b888f20215f3e040d21b62b603804ca9 commit r13-1186-ga0c30fe3b888f20215f3e040d21b62b603804ca9 Author: Jakub Jelinek Date:

[Bug tree-optimization/94899] Failure to optimize out add before compare with INT_MIN

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94899 --- Comment #5 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:ab981aab92cbc71918fbaadcf6fa64bdb2b69be7 commit r13-1187-gab981aab92cbc71918fbaadcf6fa64bdb2b69be7 Author: Arjun Shankar Date: Tu

[Bug rust/105913] gccrs doesn't compile on 32-bit targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105913 Thomas Schwinge changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rust/105913] gccrs doesn't compile on 32-bit targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105913 --- Comment #3 from Marc Poulhiès --- Fixed in github, but not yet in gcc's repository AFAIK.

[Bug tree-optimization/106044] New: Spurious warning: -Wrestrict for adding std::strings (__builtin_memcpy)

lt.org/z/KMWehnscM Command line: g++12 -O3 --std=c++20 -Wrestrict source.cpp Output: In file included from /opt/compiler-explorer/gcc-trunk-20220621/include/c++/13.0.0/string:40, from :1: In static member function 'static constexpr std::char_traits::char_type* std::char_traits::

[Bug tree-optimization/106044] Spurious warning: -Wrestrict for adding std::strings (__builtin_memcpy)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106044 --- Comment #1 from Chris Uzdavinis --- only in c++20, too.

[Bug c++/104872] Memory corruption in Coroutine with POD type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104872 --- Comment #3 from Benjamin Buch --- Bug is still present in GCC 12.1 and current trunk.

[Bug rust/105913] gccrs doesn't compile on 32-bit targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105913 --- Comment #4 from Thomas Schwinge --- (In reply to Marc Poulhiès from comment #3) > Fixed in github, but not yet in gcc's repository AFAIK. It is, as of today, 10:33 UTC, when I did the 'git push'. ;-). (If there's more to do, then please

[Bug libgomp/106045] New: Incorrect testcase in libgomp.c/target-31.c at -O0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106045 Bug ID: 106045 Summary: Incorrect testcase in libgomp.c/target-31.c at -O0 Product: gcc Version: 10.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Compon

[Bug gcov-profile/106036] Missing stdint.h include in libgcc/libgcov.h

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106036 --- Comment #2 from Kacper Słomiński --- Okay, this seems to have been a false alarm, sorry for that! Our C library was missing the typedef for intptr_t in unistd.h, which POSIX does specify. After adding that, libgcc compiled without problems.

[Bug target/106022] [12/13 Regression] Enable vectorizer generates extra load

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106022 --- Comment #9 from H.J. Lu --- (In reply to Richard Biener from comment #8) > (In reply to H.J. Lu from comment #6) > > Created attachment 53169 [details] > > A patch > > > > This patch multiplies the vector store cost by the number of scalar

[Bug tree-optimization/106044] Spurious warning: -Wrestrict for adding std::strings (__builtin_memcpy)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106044 --- Comment #2 from Chris Uzdavinis --- Even marginally simpler: #include auto f() { return "_" + std::string(" "); } Originally I marked it as tree-optimization since it's only with -O3, but it could be an issue in the standard library

[Bug rust/105913] gccrs doesn't compile on 32-bit targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105913 --- Comment #5 from Marc Poulhiès --- Oh, nice, should have checked before commenting then ! Thanks !

[Bug go/106033] [13 Regression] libgo fails with error: reference to undefined name ‘_libgo_loff_t_type’ since r13-1159-g7f195a2270910a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106033 --- Comment #3 from CVS Commits --- The master branch has been updated by Ian Lance Taylor : https://gcc.gnu.org/g:7905a9ac26707ed6ac49e40e35a9c8755c6574e3 commit r13-1189-g7905a9ac26707ed6ac49e40e35a9c8755c6574e3 Author: Ian Lance Taylor Dat

[Bug go/106033] [13 Regression] libgo fails with error: reference to undefined name ‘_libgo_loff_t_type’ since r13-1159-g7f195a2270910a

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106033 Ian Lance Taylor changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug libstdc++/97936] [11/12 Regression] 30_threads/latch/3.cc hangs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97936 Petr Sumbera changed: What|Removed |Added CC||sumbera at volny dot cz --- Comment #19 f

[Bug target/106038] x86_64 vectorization of ALU ops using xmm registers prematurely

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106038 --- Comment #5 from Noah Goldstein --- (In reply to Richard Biener from comment #4) > The vectorizer does not anticipate store-merging performing "vectorization" > in GPRs and thus the scalar cost is off (it also doesn't anticipate the > differe

[Bug tree-optimization/105545] [12/13 Regression] Warning for string assignment with _GLIBCXX_ASSERTIONS since r12-3347-g8af8abfbbace49e6

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105545 Peter Dimov changed: What|Removed |Added CC||pdimov at gmail dot com --- Comment #7 fr

[Bug target/106038] x86_64 vectorization of ALU ops using xmm registers prematurely

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106038 --- Comment #6 from Hongtao.liu --- > backwards STV? There's a pass in x86 backend called STV(scalar to vector, the pass convert scalar instructions into vector mode when profitable), I guess "backwards STV" means converting vector instruction

[Bug libgomp/106045] Incorrect testcase in libgomp.c/target-31.c at -O0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106045 --- Comment #1 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:85d613da341b76308edea48359a5dbc7061937c4 commit r13-1190-g85d613da341b76308edea48359a5dbc7061937c4 Author: Jakub Jelinek Date: T

[Bug libgomp/106045] Incorrect testcase in libgomp.c/target-31.c at -O0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106045 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/106046] New: GCC fails to disambiguate call to static member function when inside a class template

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106046 Bug ID: 106046 Summary: GCC fails to disambiguate call to static member function when inside a class template Product: gcc Version: 11.2.0 Status: UNCONFIRMED

[Bug tree-optimization/106044] Spurious warning: -Wrestrict for adding std::strings (__builtin_memcpy)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106044 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|UNCONFIRME

[Bug tree-optimization/105651] bogus "may overlap" memcpy warning with std::string

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105651 Andrew Pinski changed: What|Removed |Added CC||cuzdav at gmail dot com --- Comment #6

[Bug tree-optimization/105651] [12/13 Regression] bogus "may overlap" memcpy warning with std::string

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105651 Andrew Pinski changed: What|Removed |Added Summary|bogus "may overlap" memcpy |[12/13 Regression] bogus

[Bug tree-optimization/105651] [12/13 Regression] bogus "may overlap" memcpy warning with std::string

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105651 Andrew Pinski changed: What|Removed |Added Keywords||needs-bisection, |

[Bug target/105960] [12/13 Regression] Crash in 32-bit mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105960 --- Comment #10 from CVS Commits --- The releases/gcc-12 branch has been updated by H.J. Lu : https://gcc.gnu.org/g:2474c8e09a93027cde39ecb6a53742142c8496ed commit r12-8501-g2474c8e09a93027cde39ecb6a53742142c8496ed Author: H.J. Lu Date: Tue

[Bug c++/106046] GCC fails to disambiguate call to static member function when inside a class template

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106046 --- Comment #1 from Andrew Pinski --- Created attachment 53184 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53184&action=edit testcase

[Bug c++/80637] [concepts] incorrect ambiguous overload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80637 --- Comment #1 from Andrew Pinski --- Created attachment 53185 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53185&action=edit Updated full testcase

[Bug c++/80637] [concepts] incorrect ambiguous overload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80637 --- Comment #2 from Andrew Pinski --- clang accepts this while MSVC rejects this for the same reason as GCC.

[Bug fortran/105807] ICE / error when defining a class containing polymorphic components

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105807 G. Steinmetz changed: What|Removed |Added CC||gs...@t-online.de --- Comment #2 from G.

[Bug fortran/106047] New: ICE in structure_alloc_comps, at fortran/trans-array.cc:9574

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106047 Bug ID: 106047 Summary: ICE in structure_alloc_comps, at fortran/trans-array.cc:9574 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal

[Bug fortran/106048] New: [10/11/12/13 Regression] ICE in ubsan_encode_value, at ubsan.cc:143 / verify_gimple failed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106048 Bug ID: 106048 Summary: [10/11/12/13 Regression] ICE in ubsan_encode_value, at ubsan.cc:143 / verify_gimple failed Product: gcc Version: 13.0 Status: UNCONFIRMED

[Bug fortran/106049] New: ICE in gfc_simplify_pack, at fortran/simplify.cc:6481

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106049 Bug ID: 106049 Summary: ICE in gfc_simplify_pack, at fortran/simplify.cc:6481 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Compo

[Bug fortran/106050] New: ICE in reject_statement, at fortran/parse.cc:2879

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106050 Bug ID: 106050 Summary: ICE in reject_statement, at fortran/parse.cc:2879 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component

[Bug c/105775] GCC uses an invalid assumption in numeric limits of char

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105775 Andrew Pinski changed: What|Removed |Added Keywords||diagnostic --- Comment #2 from Andrew P

[Bug c++/105824] Accepts invalid issue with implicit conversion of a scoped enumeration type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105824 --- Comment #2 from Andrew Pinski --- Interesting MSVC accepts it too ...

[Bug fortran/105691] Incorrect calculation of INDEX(str1,str2) at compile time

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105691 anlauf at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED CC|

[Bug fortran/106050] ICE in reject_statement, at fortran/parse.cc:2879

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106050 kargl at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug c++/98469] ICE in cxx_eval_constant_expression, at cp/constexpr.c:6350

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98469 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug c++/99963] [11 Regression] [concepts] template vs concept auto reports ambiguous overload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99963 tabloid.adroit at gmail dot com changed: What|Removed |Added CC||tabloid.adroit at gmail

[Bug fortran/105691] Incorrect calculation of INDEX(str1,str2) at compile time

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105691 --- Comment #5 from anlauf at gcc dot gnu.org --- Submitted version: https://gcc.gnu.org/pipermail/fortran/2022-June/057940.html

[Bug fortran/105691] Incorrect calculation of INDEX(str1,str2) at compile time

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105691 --- Comment #6 from Steve Kargl --- On Tue, Jun 21, 2022 at 09:28:27PM +, anlauf at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105691 > > --- Comment #5 from anlauf at gcc dot gnu.org --- > Submitted version: http

[Bug target/106022] [12/13 Regression] Enable vectorizer generates extra load

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106022 H.J. Lu changed: What|Removed |Added Attachment #53171|0 |1 is obsolete|

[Bug fortran/106035] F2018 allows an IMPORT statement within the BLOCK construct.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106035 --- Comment #1 from kargl at gcc dot gnu.org --- Created attachment 53187 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53187&action=edit implementation of feature; no testcases The attach patch has had some minimal testing while it was u

[Bug fortran/106035] F2018 allows an IMPORT statement within the BLOCK construct.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106035 kargl at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P4 --- Comment #2 from kargl

[Bug target/105991] [12/13 Regression] rldicl+sldi+add generated instead of rldimi

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105991 --- Comment #6 from CVS Commits --- The master branch has been updated by Roger Sayle : https://gcc.gnu.org/g:4306339798b6843937c628c5ece8c234b309b13d commit r13-1191-g4306339798b6843937c628c5ece8c234b309b13d Author: Roger Sayle Date: Wed J

[Bug c++/106051] New: -Wmismatched-tags gives false positive warning when "class C" is "using namespace"d into a namespace with another "class C" declaration

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106051 Bug ID: 106051 Summary: -Wmismatched-tags gives false positive warning when "class C" is "using namespace"d into a namespace with another "class C" declaration Product: gcc

[Bug target/105870] Asan cannot work correctly for RISC-V GCC

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105870 --- Comment #8 from JUN SHA --- I have fixed this bug and will commit the patch then.

[Bug c++/106052] New: ICE with -Wmismatched-tags with partially specialized friend struct of self type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106052 Bug ID: 106052 Summary: ICE with -Wmismatched-tags with partially specialized friend struct of self type Product: gcc Version: 10.3.0 Status: UNCONFIRMED Sever

[Bug c++/106052] ICE with -Wmismatched-tags with partially specialized friend struct of self type

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106052 --- Comment #1 from Matt Beardsley --- Just wanted to clarify that the prev. comment only reproduces with an asserted build. However, I first observed this in a 300,000+ LOC preprocessed file with a release gcc build. But I could not stably min

[Bug tree-optimization/105740] missed optimization switch transformation for conditions with duplicate conditions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105740 --- Comment #8 from luoxhu at gcc dot gnu.org --- (In reply to rguent...@suse.de from comment #6) > On Tue, 21 Jun 2022, jakub at gcc dot gnu.org wrote: > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105740 > > > > --- Comment #5 from Jakub

[Bug tree-optimization/106053] New: [13 Regression] wrong code with -O -fno-tree-fre

unk-r13-1189-20220621080317-g7905a9ac267-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.0.0 20220621 (experimental) (GCC)