[Bug fortran/121043] [16 Regression] Tests of OpenCoarray fail to pass, works on 15.1.1 20250712

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121043 --- Comment #8 from Jerry DeLisle --- (In reply to Tobias Burnus from comment #7) > (In reply to Jerry DeLisle from comment #2) > > However, I do see the following on gcc-15 pulled this morning. > > Can you check what branch you checked out? Be

If you interested then call me

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[Bug fortran/121060] ICE when argument is associate name created from type-bound operator result

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121060 Paul Thomas changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |pault at gcc dot gnu.org --- Comme

[Bug target/121072] [16 Regression] RISC-V: ICE verify_gimple failed incompatible types in 'PHI' argument 0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121072 --- Comment #1 from Edwin Lu --- Found via fuzzer

[Bug target/121073] New: [16 Regression] RISC-V: ICE during RTL pass: avlprop insn does not satisfy its constraints

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121073 Bug ID: 121073 Summary: [16 Regression] RISC-V: ICE during RTL pass: avlprop insn does not satisfy its constraints Product: gcc Version: 16.0 Status: UNCONFIRMED

[Bug target/121072] [16 Regression] RISC-V: ICE verify_gimple failed incompatible types in 'PHI' argument 0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121072 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |16.0 Keywords|

[Bug tree-optimization/121072] [16 Regression] RISC-V: ICE verify_gimple failed incompatible types in 'PHI' argument 0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121072 Andrew Pinski changed: What|Removed |Added Known to fail||16.0 Last reconfirmed|

[Bug gcov-profile/121074] New: [16 Regression] ICE: in gcov_open, at gcov-io.cc:128 with -ftest-coverage -fauto-profile

algorithms: zlib zstd gcc version 16.0.0 20250714 (experimental) (GCC)

[Bug target/121075] New: [16 Regression] RISC-V: ICE during GIMPLE pass: vect segmentation fault with -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121075 Bug ID: 121075 Summary: [16 Regression] RISC-V: ICE during GIMPLE pass: vect segmentation fault with -flto Product: gcc Version: 16.0 Status: UNCONFIRMED Sever

[Bug middle-end/110711] [13 Regression] possible missed optimization for std::max with -march=znver2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110711 Andrew Pinski changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug tree-optimization/112961] [13 Regression] middle-end Missed vectorization: failed to vectorize simple reduction max since GCC-13

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112961 Andrew Pinski changed: What|Removed |Added CC||mrks2023 at proton dot me --- Comment #

[Bug target/121072] New: [16 Regression] RISC-V: ICE verify_gimple failed incompatible types in 'PHI' argument 0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121072 Bug ID: 121072 Summary: [16 Regression] RISC-V: ICE verify_gimple failed incompatible types in 'PHI' argument 0 Product: gcc Version: 16.0 Status: UNCONFIRMED

[Bug tree-optimization/105793] Missed vectorisation with conditional-select inside loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105793 --- Comment #4 from Andrew Pinski --- So this is not handled by https://gcc.gnu.org/pipermail/gcc-patches/2025-July/689515.html because we don't handle PLUS_EXPR matching with MINUS_EXPR. It should not be handle to expand to handle that case he

[Bug target/121064] Loongarch: FFmpeg build fail when enable autovectorization.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121064 Xi Ruoyao changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |xry111 at gcc dot gnu.org

[Bug target/120930] [16 Regression] RISC-V: Miscompile at -O[23] with zvl256b -mrvv-vector-bits=zvl since r16-1645-g309dbcea2ca

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120930 --- Comment #2 from Robin Dapp --- I'm seeing a difference between -O2 and -O3 where the -O2 version gets the proper result (3). In the -O3 version we completely unroll the loop but don't seem to populate the "b" array entirely but just the fir

[Bug libstdc++/121071] New: std::hash<__int128> and std::hash ignore bits >= SIZE_WIDTH

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121071 Bug ID: 121071 Summary: std::hash<__int128> and std::hash ignore bits >= SIZE_WIDTH Product: gcc Version: 15.1.0 Status: UNCONFIRMED Keywords: ABI Se

[Bug middle-end/110711] [13 Regression] possible missed optimization for std::max with -march=znver2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110711 Andrew Pinski changed: What|Removed |Added Known to fail||13.2.0 Known to work|

[Bug middle-end/110711] [13 Regression] possible missed optimization for std::max with -march=znver2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110711 Andrew Pinski changed: What|Removed |Added Known to work||12.3.0, 14.1.0 Known to fail|

[Bug tree-optimization/112961] [13 Regression] middle-end Missed vectorization: failed to vectorize simple reduction max since GCC-13

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112961 --- Comment #15 from Andrew Pinski --- (In reply to Andrew Pinski from comment #13) > The extra ssa name is due to PR 80342 . And that was fixed with r16-189-g99aa410f5e0a72 .

[Bug middle-end/110015] openjpeg is slower when built with gcc13 compared to clang16

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110015 --- Comment #12 from Andrew Pinski --- The patch to fix the max reduction is at: https://gcc.gnu.org/pipermail/gcc-patches/2025-July/689515.html

[Bug target/121075] [16 Regression] RISC-V: ICE during GIMPLE pass: vect segmentation fault with -flto

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121075 Andrew Pinski changed: What|Removed |Added Keywords||ice-on-valid-code Target Milestone|--

[Bug target/121062] integer registers of vector constant load shouldn't go through memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121062 --- Comment #5 from H.J. Lu --- Created attachment 61867 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61867&action=edit A patch I am testing this combined patch.

[Bug target/118241] RISC-V ICE: internal compiler error: in int_mode_for_mode, at stor-layout.cc:407 caused by prefetch instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118241 --- Comment #14 from GCC Commits --- The releases/gcc-15 branch has been updated by Jeff Law : https://gcc.gnu.org/g:4157d433df1ccc30ca2db2e4e9448318d730299f commit r15-9969-g4157d433df1ccc30ca2db2e4e9448318d730299f Author: Jeff Law Date: S

[Bug target/118241] RISC-V ICE: internal compiler error: in int_mode_for_mode, at stor-layout.cc:407 caused by prefetch instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118241 --- Comment #16 from GCC Commits --- The releases/gcc-15 branch has been updated by Jeff Law : https://gcc.gnu.org/g:bf6b07491e549af8ca9a27ac04f4d90c41d6a97c commit r15-9972-gbf6b07491e549af8ca9a27ac04f4d90c41d6a97c Author: Vineet Gupta Date:

[Bug target/118241] RISC-V ICE: internal compiler error: in int_mode_for_mode, at stor-layout.cc:407 caused by prefetch instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118241 --- Comment #15 from GCC Commits --- The releases/gcc-15 branch has been updated by Jeff Law : https://gcc.gnu.org/g:e7d4593d6932c3d16e3cdc837538403859edb52f commit r15-9970-ge7d4593d6932c3d16e3cdc837538403859edb52f Author: Jeff Law Date: M

[Bug target/118241] RISC-V ICE: internal compiler error: in int_mode_for_mode, at stor-layout.cc:407 caused by prefetch instructions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118241 --- Comment #17 from Jeffrey A. Law --- The 4 patches in this space (two from me, two from Vineet) were backported to the gcc-15 branch.

[Bug tree-optimization/121059] [15/16 regression] ICE when building imagemagick-7.1.1-47 (vect_get_loop_mask, at tree-vect-loop.cc:10960) since r15-5383-g8f68d9cb7897df

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121059 --- Comment #11 from Richard Sandiford --- > if (masked_loop_p > && code == BIT_AND_EXPR > && VECTOR_BOOLEAN_TYPE_P (vectype)) > { > if (loop_vinfo->scalar_cond_masked_set.contains

[Bug rtl-optimization/120242] [15 regression] RISC-V: Miscompile at -O[23] since r15-9239-g4d7a634f6d4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120242 --- Comment #8 from GCC Commits --- The releases/gcc-15 branch has been updated by Jeff Law : https://gcc.gnu.org/g:0588de08620cbe7cbb545ced1e2c470e3a521481 commit r15-9973-g0588de08620cbe7cbb545ced1e2c470e3a521481 Author: Jeff Law Date: Mo

[Bug rtl-optimization/120627] [15/16 regression] RISC-V: Miscompile at -O[23] since r15-2186-g9d8ef2711df

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120627 --- Comment #5 from GCC Commits --- The releases/gcc-15 branch has been updated by Jeff Law : https://gcc.gnu.org/g:0588de08620cbe7cbb545ced1e2c470e3a521481 commit r15-9973-g0588de08620cbe7cbb545ced1e2c470e3a521481 Author: Jeff Law Date: Mo

[Bug rtl-optimization/120736] [15/16 Regression] RISC-V: Miscompile at -O[23] since r15-5375-gbeec291225b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120736 --- Comment #3 from GCC Commits --- The releases/gcc-15 branch has been updated by Jeff Law : https://gcc.gnu.org/g:0588de08620cbe7cbb545ced1e2c470e3a521481 commit r15-9973-g0588de08620cbe7cbb545ced1e2c470e3a521481 Author: Jeff Law Date: Mo

[Bug rtl-optimization/120813] [15/16 Regression] RISC-V: Miscompile at -O[23] since r15-9239

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120813 --- Comment #3 from GCC Commits --- The releases/gcc-15 branch has been updated by Jeff Law : https://gcc.gnu.org/g:0588de08620cbe7cbb545ced1e2c470e3a521481 commit r15-9973-g0588de08620cbe7cbb545ced1e2c470e3a521481 Author: Jeff Law Date: Mo

[Bug rtl-optimization/120242] [15 regression] RISC-V: Miscompile at -O[23] since r15-9239-g4d7a634f6d4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120242 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug tree-optimization/121067] New: wrong code at -Os with "-fno-tree-pre -fno-code-hoisting -fno-tree-dominator-opts -fno-tree-fre" on x86_64-linux-gnu

64-pc-linux-gnu Configured with: ../gcc-trunk/configure --disable-bootstrap --enable-checking=yes --prefix=/local/suz-local/software/local/gcc-trunk --enable-sanitizers --enable-languages=c,c++ --disable-werror --enable-multilib Thread model: posix Supported LTO compression algorithms: zlib gcc version

[Bug target/121062] integer registers of vector constant load shouldn't go through memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121062 Uroš Bizjak changed: What|Removed |Added Attachment #61860|0 |1 is obsolete|

[Bug target/121015] [16 regression] ICE when building blender for x86_64 with -O3 -mavx

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121015 H.J. Lu changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug target/121015] [16 regression] ICE when building blender for x86_64 with -O3 -mavx

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121015 --- Comment #7 from GCC Commits --- The master branch has been updated by H.J. Lu : https://gcc.gnu.org/g:dc07752af00f9e8ce3c9b25bf7dd4941a5df682d commit r16-2233-gdc07752af00f9e8ce3c9b25bf7dd4941a5df682d Author: Uros Bizjak Date: Mon Jul 1

Re: Regarding TODO list

On 14/07/25 16:56 +0530, Akshaya Sankar wrote: Hi all, we would like to contribute to this open source community as a fresher / less experience, and would like to know about the small contributions to be done as initially. We have hands on experience on embedded, c, python and c++. 4 You have

[Bug target/120297] [15/16 Regression] RISC-V: Miscompile at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120297 Robin Dapp changed: What|Removed |Added Status|WAITING |ASSIGNED --- Comment #8 from Robin Dapp -

[Bug tree-optimization/121067] [16 Regression] wrong code at -Os with "-fno-tree-pre -fno-code-hoisting -fno-tree-dominator-opts -fno-tree-fre" on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121067 Andrew Pinski changed: What|Removed |Added Keywords||wrong-code Summary|wrong cod

[Bug c/121064] Loongarch: FFmpeg build fail when enable autovectorization.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121064 Xi Ruoyao changed: What|Removed |Added Last reconfirmed||2025-07-14 Ever confirmed|0

[Bug tree-optimization/121067] [16 Regression] wrong code at -Os with "-fno-tree-pre -fno-code-hoisting -fno-tree-dominator-opts -fno-tree-fre" on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121067 --- Comment #1 from Andrew Pinski --- -fno-tree-slsr fixes the issue ...

[Bug target/121064] Loongarch: FFmpeg test failure when enable autovectorization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121064 --- Comment #7 from Xi Ruoyao --- Created attachment 61863 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61863&action=edit draft patch

[Bug c/121064] Loongarch: FFmpeg build fail when enable autovectorization.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121064 --- Comment #3 from Xi Ruoyao --- (In reply to Xi Ruoyao from comment #2) > I tried to reproduce the issue by mimicking what the test does, but I get: Note that I've already commented out "check_optflags -fno-tree-vectorize" before building ffm

[Bug tree-optimization/121049] [16 regression] timezone-data miscompiled with -O3 -march=x86-64-v4 -mtune=znver4 since r16-1729-ga0af6fd825d533

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121049 Sam James changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug fortran/121043] [16 Regression] Tests of OpenCoarray fail to pass, works on 15.1.1 20250712

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121043 --- Comment #11 from Jerry DeLisle --- (In reply to Jerry DeLisle from comment #10) > Andre has sent a fixer patch for these. Building now and will test. Does not work, disregard.

[Bug sanitizer/121070] bounds sanitizer should instrument arrays inside a structure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121070 --- Comment #5 from Jakub Jelinek --- Or -fsanitize=undefined,bounds-strict

[Bug middle-end/79826] Unnecessary spills in vectorised loop version due to register pressure and scheduler not knowing the load/stores don't conflict

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79826 Andrew Pinski changed: What|Removed |Added Component|tree-optimization |middle-end Summary|Unnecessar

[Bug tree-optimization/61301] missed optimization of move if vector passed by reference

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61301 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |10.0 Status|NEW

[Bug target/71921] [15/16 Regression] missed vectorization optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71921 --- Comment #22 from Andrew Pinski --- (In reply to Andrew Pinski from comment #21) > Trying 22 -> 27: >22: r118:V4SF=r113:V4SF REG_EQUAL r113:V4SF27: r121:V4SF=~r118:V4SF&r113:V4SF > REG_DEAD r118:V4SF > REG_DEAD r113:V

[Bug middle-end/120709] [15 Regression] ICE in expand_builtin_crc_table_based with __builtin_crc8_data8 and non constant poly argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120709 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug middle-end/120709] [15 Regression] ICE in expand_builtin_crc_table_based with __builtin_crc8_data8 and non constant poly argument

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120709 --- Comment #8 from GCC Commits --- The releases/gcc-15 branch has been updated by Andrew Pinski : https://gcc.gnu.org/g:e54a0c57c630c194ad260a53d9dc0e63b6aff607 commit r15-9977-ge54a0c57c630c194ad260a53d9dc0e63b6aff607 Author: Andrew Pinski

[Bug target/120935] [15/16 Regression] ICE building libstdc++ for mmix

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120935 Hans-Peter Nilsson changed: What|Removed |Added Last reconfirmed||2025-07-15 Status|UNCO

[Bug target/71921] missed vectorization optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71921 --- Comment #20 from Andrew Pinski --- There might be a dup of this one now since it was fixed in GCC 14.1.0 but broke in GCC 15.

[Bug target/71921] [15/16 Regression] missed vectorization optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71921 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |15.2

[Bug tree-optimization/120996] [16 regression][AArch64] 15% regression in microBUDE since r16-1108-gb7960a3f966a0f

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120996 Dhruv Chawla changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #6

[Bug target/71921] [15/16 Regression] missed vectorization optimization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71921 --- Comment #21 from Andrew Pinski --- Trying 22 -> 27: 22: r118:V4SF=r113:V4SF [(const float *)input_12(D) + ivtmp.21_83 * 1] ]) (const_vector:V4SF [ (const_double:SF 0.0 [0x0.0p+0]) repeated x4

[Bug middle-end/120935] [15/16 Regression] ICE building libstdc++ for mmix

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120935 Hans-Peter Nilsson changed: What|Removed |Added URL||https://gcc.gnu.org/piperma

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