[Bug tree-optimization/118529] [15 regression] ICE when building openssl-3.3.2 on sparc (in operator[], at vec.h:910)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118529 Richard Biener changed: What|Removed |Added CC||ebotcazou at gcc dot gnu.org --- Comme

[Bug tree-optimization/117875] [15 Regression] 28% regression for 456.hmmer on Zen4 with -Ofast -march=native

*, ||loongarch Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org Status|NEW |ASSIGNED --- Comment #17 from Richard Biener --- My bisect on a Zen2 machine lands on r15-5340-g4b8c5b337e007e ... So

[Bug tree-optimization/118529] [15 regression] ICE when building openssl-3.3.2 on sparc (in operator[], at vec.h:910)

|UNCONFIRMED |ASSIGNED Ever confirmed|0 |1 Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org Target||sparc --- Comment #3 from Richard Biener --- I will eventually have a look.

[Bug target/118531] [14/15 Regression] aarch64/ins_bitfield_1.c generates INS instructions even for +nosimd

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118531 Richard Biener changed: What|Removed |Added Target Milestone|--- |14.3

[Bug target/117957] [15 regression] vectorization pessimizes std::vector push/pop test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117957 Richard Biener changed: What|Removed |Added Summary|[15 regression] |[15 regression] |vec

[Bug testsuite/117958] [15 Regression] g++.dg/tree-ssa/pr117123.C fails on aarch64-linux-gnu since r15-4539-gc33d8c55a79f08

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117958 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug testsuite/117958] [15 Regression] g++.dg/tree-ssa/pr117123.C fails on aarch64-linux-gnu since r15-4539-gc33d8c55a79f08

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117958 Richard Biener changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org

[Bug middle-end/118012] [avr][13/14/15 Regression] Expensive code (bit extract + extend + neg + and) instead of bit test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118012 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug ipa/118097] [15 regression] recent bug with -O2, but not -O1 since r15-6294-g96fb71883d438b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118097 Richard Biener changed: What|Removed |Added Priority|P3 |P1

[Bug tree-optimization/118273] [15 Regression] ICE when vectorizing uniform vector function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118273 Richard Biener changed: What|Removed |Added Priority|P3 |P1

[Bug c++/118190] [12/13/14/15 Regression] ICE: in tsubst_expr, at cp/pt.cc:22244 since r10-1280-g78f7607db4c53f

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118190 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/118193] [12/13/14/15 regression] [C++17+] ICE: in verify_ctor_sanity, at cp/constexpr.cc:5362 since r13-1901-g9efe4e153d9949

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118193 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/118232] [12/13/14/15 regression] wrong union member size identification in -Os optimization, starting from gcc 11 till current

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118232 Richard Biener changed: What|Removed |Added Priority|P3 |P2 --- Comment #4 from Richard Biener

[Bug c++/118245] [14/15 Regression] ICE: in convert_nontype_argument, Passing a lambda as a template argument and base class

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118245 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/118255] [12/13/14 Regression] Unnecessary error on variable shadowing for friend declaration inside template class with non-type parameter since r9-1493-g8945521a50a7dd

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118255 Richard Biener changed: What|Removed |Added Summary|[12/13/14/15 Regression]|[12/13/14 Regression]

[Bug target/118460] [14/15 Regression] ICE on armv8.1-m.main with -mfloat-abi=hard

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118460 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug tree-optimization/118483] [12/13/14/15 Regression] Missed optimization due to cast being used more than once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118483 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug c++/118491] [15 Regression] coroutines: ICE when co_awaiting l-value awaitable from range-based loop.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118491 --- Comment #3 from Richard Biener --- So it's technically not a regression if GCC 14 didn't implement C++23 [range for] changes.

[Bug target/118501] [14/15 regression] aarch64: ICE in simplify_context::simplify_subreg

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118501 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug target/118512] [15 regression] Failed bootstrap on sparc (Error: Hardware capability "vis3b" not enabled for "fpcmpule8".)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118512 Richard Biener changed: What|Removed |Added Status|WAITING |NEW

[Bug tree-optimization/118521] [15 regression] std::vector Wstringop-overflow false positive

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118521 Richard Biener changed: What|Removed |Added Last reconfirmed|2025-01-16 00:00:00 |2025-01-17 Ever confirmed|0

[Bug c++/118525] [14/15 Regression] ICE after error dealing consteval

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118525 Richard Biener changed: What|Removed |Added Priority|P3 |P4

[Bug tree-optimization/117104] [12 regression] ICE when building python-3.12.7 (prepare_cmp_insn, at optabs.cc:4622) with -O2 -march=x86-64-v4 -fno-vect-cost-model -fwrapv

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117104 Richard Biener changed: What|Removed |Added Known to fail||12.4.0 Status|ASSIGNED

[Bug fortran/117763] [14/15 regression] segmentation fault through allocatable char arrays (?)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117763 --- Comment #23 from Richard Biener --- The new testcase FAILs on the gcc-12 branch (it works on the 13 branch) on x86_64-linux: FAIL: gfortran.dg/pr117763.f90 -O scan-tree-dump-times original "__result->span = [12].." 1 the only __result-

[Bug tree-optimization/117417] [12 Regression] ICE: verify_gimple failed: non-top-level 'bit_field_ref' with -Ofast

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117417 Richard Biener changed: What|Removed |Added Resolution|--- |FIXED Known to fail|

[Bug fortran/109345] [12/13/14 Regression] class(*) variable that is a string array is not handled correctly

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109345 --- Comment #11 from Richard Biener --- The testcase still FAILs for me on the gcc-13 branch on x86_64-linux: FAIL: gfortran.dg/pr109345.f90 -O0 execution test FAIL: gfortran.dg/pr109345.f90 -O1 execution test FAIL: gfortran.dg/pr109345.f

[Bug tree-optimization/117307] [12 regression] ICE when building gavl-1.4.0 in vect_slp_analyze_operations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117307 Richard Biener changed: What|Removed |Added Known to work||12.4.1 Status|ASSIGNED

[Bug tree-optimization/117254] [12 Regression] ICE: have var_decl in get_len, at tree.h:6512

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117254 Richard Biener changed: What|Removed |Added Resolution|--- |FIXED Known to work|

[Bug middle-end/116891] [12 Regression] invalid optimization of -fma(-x,x,-z) when -O3 and -frounding-math are used

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116891 Richard Biener changed: What|Removed |Added Known to work||12.4.1 Resolution|---

[Bug tree-optimization/116768] [12 Regression] Strict aliasing breaks autovectorization with -O3 since r11-8581-g83758b7b67629e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116768 Richard Biener changed: What|Removed |Added Resolution|--- |FIXED Known to fail|

[Bug middle-end/116290] [12 Regression] -fcompare-debug -gno-statement-frontiers -O2 failure with evolution-data-server-3.52.4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116290 Richard Biener changed: What|Removed |Added Known to fail||12.4.0 Known to work|

[Bug middle-end/69482] Writing through pointers to volatile not always preserved

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69482 Richard Biener changed: What|Removed |Added Target Milestone|--- |12.5 Status|ASSIGNED

[Bug tree-optimization/118527] When a loop is unlooped due to sccvn, its profile is not updated

, ||rguenth at gcc dot gnu.org --- Comment #2 from Richard Biener --- I think this should be done in the CFG cleanup stage - the whole point of defering CFG updates is so that passes need not worry about such things as profile updates. I see how it's conve

[Bug tree-optimization/92539] [12/13/14 Regression] -Warray-bounds false positive with -O3 (loop unroll?)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92539 Richard Biener changed: What|Removed |Added Known to work||15.0 Summary|[12/13/14/15 Re

[Bug c++/118525] [14/15 Regression] ICE after error dealing consteval

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118525 --- Comment #4 from Richard Biener --- It's also the old "issue" that we have ERROR_MARK but not ERROR_TYPE which would make this a bit more robust.

[Bug tree-optimization/118521] [15 regression] std::vector Wstringop-overflow false positive

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118521 Richard Biener changed: What|Removed |Added Target Milestone|--- |15.0

[Bug tree-optimization/118492] Move retrieval of virtual table pointers out of the loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118492 --- Comment #3 from Richard Biener --- I think the call itself is considered clobbering the vtable pointer (not the vtable itself).

[Bug tree-optimization/116380] [13 regression] ICE on valid code at -O3 with "-fno-tree-scev-cprop" on x86_64-linux-gnu: Segmentation fault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116380 Richard Biener changed: What|Removed |Added Known to work||13.3.1 Resolution|---

[Bug tree-optimization/117307] [12 regression] ICE when building gavl-1.4.0 in vect_slp_analyze_operations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117307 Richard Biener changed: What|Removed |Added Known to work||13.3.1 Priority|P3

[Bug tree-optimization/117086] [13 Regression] ICE in tree check: expected vector_type, have boolean_type in TYPE_VECTOR_SUBPARTS, at tree.h:4255

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117086 Richard Biener changed: What|Removed |Added Known to fail||13.3.0 Known to work|

[Bug tree-optimization/117333] [13 regression] ICE on structure copy with flexible array member

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117333 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug tree-optimization/115825] [12/13/14 Regression] Loop unrolling increases code size with -Os

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115825 --- Comment #26 from Richard Biener --- (In reply to Segher Boessenkool from comment #25) > No, darn does have a side effect: it returns a random number in the > destination reg (_deliver_ _a_ _r_andom _n_umber). It does not touch memory > at a

[Bug tree-optimization/41339] Variables can occur multiple times in cfun->local_decls

, ||internal-improvement, ||memory-hog Assignee|rguenth at gcc dot gnu.org |unassigned at gcc dot gnu.org Status|ASSIGNED|NEW --- Comment #10 from Richard Biener --- It&#

[Bug tree-optimization/115494] [14 Regression] wrong code at -O{2, 3} on x86_64-linux-gnu since r14-3485

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115494 Richard Biener changed: What|Removed |Added Known to work||15.0 Summary|[14/15 Regress

[Bug tree-optimization/53947] [meta-bug] vectorizer missed-optimizations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 115895, which changed state. Bug 115895 Summary: [15 Regression] FAIL: gcc.dg/vect/pr115385.c execution test with -march=znver4 --param partial-vector-usage=2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115895

[Bug tree-optimization/115895] [15 Regression] FAIL: gcc.dg/vect/pr115385.c execution test with -march=znver4 --param partial-vector-usage=2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115895 Richard Biener changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug middle-end/118490] [15 Regression] ICE Indefinite recursion transforming exp-log with -frounding-math since r15-5116-ge232dc3bb5c3e8

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118490 Richard Biener changed: What|Removed |Added Target Milestone|--- |15.0 Priority|P3

[Bug middle-end/118490] [15 Regression] ICE Indefinite recursion transforming exp-log with -frounding-math since r15-5116-ge232dc3bb5c3e8

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118490 Richard Biener changed: What|Removed |Added Last reconfirmed||2025-01-15 Status|UNCONFIR

[Bug tree-optimization/115494] [14/15 Regression] wrong code at -O{2,3} on x86_64-linux-gnu since r14-3485

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115494 --- Comment #14 from Richard Biener --- It is somewhat of a representational issue given we translate dependend expressions using leaders in the translated set but the expression sets contain the original defs (which would have been pruned if th

[Bug tree-optimization/114074] [12/13/14/15 Regression] wrong code at -O1 and above on x86_64-linux-gnu since r8-343

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114074 Richard Biener changed: What|Removed |Added Keywords||needs-testcase --- Comment #14 from Ri

[Bug tree-optimization/118487] [15 Regression] ICE tree check: expected vector_cst, have ssa_name in vector_cst_encoded_nelts, at tree.h:4683 since r15-5563-g1c4d39ada33d36

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118487 Richard Biener changed: What|Removed |Added Target Milestone|--- |15.0 Status|UNCONFIRMED

[Bug target/118489] [15 Regression][avx512] ICE in ix86_expand_vector_bf2sf_with_vec_perm, at config/i386/i386-expand.cc:26917 since r15-4955-g648bd1fcc6acfc

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118489 Richard Biener changed: What|Removed |Added Target Milestone|--- |15.0

[Bug tree-optimization/118483] Missed optimization due to cast being used more than once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118483 --- Comment #4 from Richard Biener --- Adding (for eqne (eq ne) (for cmp (lt le eq ne ge gt) icmp (ge gt ne eq lt le) (simplify (eqne (cmp @0 @1) (icmp @0 @1)) (if (!FLOAT_TYPE_P (TREE_TYPE (@0))) { constant_boolean_node (eqne ==

[Bug tree-optimization/118483] Missed optimization due to cast being used more than once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118483 --- Comment #3 from Richard Biener --- Created attachment 60162 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60162&action=edit patch for adding :S This adds :S and removes the single_use from the offending pattern. We don't seem to sim

[Bug target/118485] [15 Regression] gnat fails to build on m68k-linux-gnu-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118485 Richard Biener changed: What|Removed |Added Target Milestone|--- |15.0 Keywords|

[Bug tree-optimization/118483] Missed optimization due to cast being used more than once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118483 --- Comment #2 from Richard Biener --- Caused by r6-2364-g2fde61e3caf4c4 We eventually might want to have a "stronger" :s which would allow simplification to a constant/singleton (but allow then unused garbage to be collected on the temporary s

[Bug tree-optimization/118483] Missed optimization due to cast being used more than once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118483 Richard Biener changed: What|Removed |Added CC||rguenth at gcc dot gnu.org Ever

[Bug tree-optimization/118481] missed removing of an if at the gimple level

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118481 --- Comment #2 from Richard Biener --- I think we should be able to VN them the same so that PRE discovers the full redundancy. Oh we do: Value numbering stmt = _4 = VIEW_CONVERT_EXPR(a.0_1); Setting value number of _4 to _4 (changed) ... Valu

[Bug tree-optimization/118476] [12/13/14 Regression] Internal compiler error, invalid 'PHI' argument since GCC8

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118476 --- Comment #11 from Richard Biener --- (In reply to Andrew Pinski from comment #10) > (In reply to Andrew Pinski from comment #9) > > > > But this also means there might be some missed optimizations now on the > > trunk due to that. Let me fin

[Bug tree-optimization/115895] [15 Regression] FAIL: gcc.dg/vect/pr115385.c execution test with -march=znver4 --param partial-vector-usage=2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115895 Richard Biener changed: What|Removed |Added CC||rsandifo at gcc dot gnu.org,

[Bug tree-optimization/115895] [15 Regression] FAIL: gcc.dg/vect/pr115385.c execution test with -march=znver4 --param partial-vector-usage=2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115895 Richard Biener changed: What|Removed |Added Last reconfirmed|2024-07-12 00:00:00 |2025-1-14 --- Comment #2 from Richard

[Bug target/115282] [15 regression] gcc.dg/vect/costmodel/ppc/costmodel-slp-12.c fails after r15-812-gc71886f2ca2e46

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115282 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/118470] [15 Regression] ICE in gimplify_var_or_parm_decl, at gimplify.cc:3341

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118470 Richard Biener changed: What|Removed |Added Keywords||ice-on-valid-code Target Milestone|-

[Bug fortran/118471] Missed folding of descriptor span field for contiguous Fortran pointers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118471 --- Comment #1 from Richard Biener --- So it works for the non-pointer case real(kind=8), contiguous :: a(:) where we get stride.1 = 1; ... (*a.0)[(integer(kind=8)) i * stride.1 + offset.2] = 1.0e+0; but with 'pointer' we have

[Bug middle-end/118472] [15 Regression] ICE : tree check: expected none of vector_type, have vector_type in operand_equal_p, at fold-const.cc:3749

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118472 Richard Biener changed: What|Removed |Added Component|other |middle-end Priority|P3

[Bug other/118472] [15 Regression] ICE : tree check: expected none of vector_type, have vector_type in operand_equal_p, at fold-const.cc:3749

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118472 Richard Biener changed: What|Removed |Added Target||x86_64-*-* CC|

[Bug tree-optimization/118468] vectorizer: extra phi blocks vectorization of if

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118468 Richard Biener changed: What|Removed |Added Ever confirmed|0 |1 Keywords|

[Bug tree-optimization/118466] Not removing bounds checking enough to vectorize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118466 --- Comment #1 from Richard Biener --- Hmm, early-break should handle this in theory. It does: > ./cc1 -quiet t4.c -O3 -msse4 -fopt-info-vec -fdump-tree-optimized t4.c:3:24: optimized: loop vectorized using 16 byte vectors t4.c:3:24: optimized

[Bug tree-optimization/118464] [15 Regression] gcc-15.0.0_pre20250112 ICE with opencv-4.10.0 using -O2/-ftree-loop-vectorize: memory_descriptor_ref.cpp:94:19: internal compiler error: in exact_div, at

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118464 Richard Biener changed: What|Removed |Added CC||rguenth at gcc dot gnu.org

[Bug target/118460] [14/15 Regression] ICE on armv8.1-m.main with -mfloat-abi=hard

|--- |14.3 Known to work||4.1.0 CC||rguenth at gcc dot gnu.org --- Comment #1 from Richard Biener --- Hmm, I don't see how this rev could have affected the testcase (no min/max), but the sy

[Bug c++/118458] No mechanism to disable all warnings locally (supported by Clang with diagnostic ignored "-Weverything")

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118458 Richard Biener changed: What|Removed |Added Last reconfirmed||2025-01-14 Ever confirmed|0

[Bug testsuite/118451] gcc.dg/vect/vect-switch-search-line-fast.c FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118451 --- Comment #3 from Richard Biener --- The testcase needs early-break support but lacks effective target and add-option directives.

[Bug tree-optimization/118405] [15 regression] RISC-V: ICE in verify_gimple during GIMPLE pass vect

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118405 Richard Biener changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug tree-optimization/117119] [12/13/14 Regression] ICE in int_cst_value, at tree.cc:11115 since r0-87460-g5b78fc3ed4960c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117119 Richard Biener changed: What|Removed |Added Known to work||15.0 Priority|P3

[Bug tree-optimization/118405] [15 regression] RISC-V: ICE in verify_gimple during GIMPLE pass vect

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118405 --- Comment #3 from Richard Biener --- So what's odd is that vect_supportable_dr_alignment says misaligned vector(1) double loads are not supported. We are generally expecting targets to support this - IIRC we don't fall back to load vector(1)

[Bug libstdc++/118035] [12/13 Regression] deque bug when inserting an empty iterator interval

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118035 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Known to work|

[Bug debug/107110] [12 regression] failure (length) with -fcompare-debug at -O1 and above

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107110 Richard Biener changed: What|Removed |Added Version|unknown |12.1.0 Target Milestone|---

[Bug tree-optimization/118107] [14 Regression] false warning: "${inactive union member} may be used uninitialized" with -fsanitize=undefined -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118107 Richard Biener changed: What|Removed |Added Target Milestone|--- |14.3

[Bug target/106438] [13/14/15 regression] powerpc: ICE when building libgfortran with -flto: in insert_value_copy_on_edge, at tree-outof-ssa.cc:334 since r13-1324-g133d0d422ebd18

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106438 Richard Biener changed: What|Removed |Added Target Milestone|--- |13.4

[Bug libstdc++/116440] [14/15 Regression] [C++20] std::tuple> does not compile

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116440 Richard Biener changed: What|Removed |Added Target Milestone|--- |14.3

[Bug rtl-optimization/110393] [13 regression] ICE at -O3 with "-fselective-scheduling2 -fPIC": in move_op_ascend, at sel-sched.cc:6150

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110393 Richard Biener changed: What|Removed |Added Target Milestone|--- |13.4

[Bug tree-optimization/108629] [13/14/15 regression] 549.fotonik3d_r regresses 15-24% at -O2 -flto -march=x86-64-v3 since r13-1203-g038b077689bb53

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108629 Richard Biener changed: What|Removed |Added Target Milestone|--- |13.4 Keywords|

[Bug c++/106057] [12 Regression] Missed stmt_can_throw_external check in stmt_kills_ref_p

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106057 Richard Biener changed: What|Removed |Added Summary|[12/13/14/15 regression]|[12 Regression] Missed

[Bug ipa/90151] [12/13/14/15 regression] 554.roms_r regression on x86_64 at -O2 and generic march/mtune since r8-4715-g35cd23ebb6d05e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90151 Richard Biener changed: What|Removed |Added Target Milestone|--- |12.5

[Bug target/80813] [12/13/14/15 Regression] x86: std::vector::operator[] could be somewhat faster using BT instead of SHL

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80813 Richard Biener changed: What|Removed |Added Target Milestone|--- |12.5

[Bug middle-end/118012] [avr][13/14/15 Regression] Expensive code (bit extract + extend + neg + and) instead of bit test

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118012 Richard Biener changed: What|Removed |Added Target Milestone|--- |13.4

[Bug tree-optimization/117119] [12/13/14/15 Regression] ICE in int_cst_value, at tree.cc:11115 since r0-87460-g5b78fc3ed4960c

|1 Status|UNCONFIRMED |ASSIGNED Target Milestone|--- |12.5 Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org

[Bug rtl-optimization/117611] [15 Regression] internal compiler error: in as_a, at machmode.h:381

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117611 Richard Biener changed: What|Removed |Added Target Milestone|--- |15.0

[Bug libstdc++/118408] regex does not work under dual ABI

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118408 Richard Biener changed: What|Removed |Added CC||rguenth at gcc dot gnu.org

[Bug tree-optimization/118405] [15 regression] RISC-V: ICE in verify_gimple during GIMPLE pass vect

||riscv32 Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org Status|UNCONFIRMED |ASSIGNED Ever confirmed|0 |1 Keywords||ice-on-valid-code Last

[Bug target/118418] [15 Regression][gcn] Compiler selftest ICE in assert_rtx_eq_at, at selftest-rtl.cc:57 / FAIL: ASSERT_RTX_EQ (val, folded) since r15-6777-g06c4cf398947b5

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118418 Richard Biener changed: What|Removed |Added Target Milestone|--- |15.0

[Bug ipa/118400] [14/15 Regression] memory leak of irange at evaluate_properties_for_edge (ipa-fnsummary.cc:690)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118400 Richard Biener changed: What|Removed |Added Summary|memory leak of irange at|[14/15 Regression] memory

[Bug ipa/118400] memory leak of irange at evaluate_properties_for_edge (ipa-fnsummary.cc:690)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118400 --- Comment #1 from Richard Biener --- Created attachment 60125 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60125&action=edit preprocessed source The following is sligtly reduced from preprocessed gv.c valgrind --leak-check=full ./gcc

[Bug tree-optimization/115825] [12/13/14 Regression] Loop unrolling increases code size with -Os

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115825 --- Comment #15 from Richard Biener --- (In reply to Segher Boessenkool from comment #14) > Many Power testcases fail since this commit. The commit says it wants to > change > what volatile accesses do, but instead, it changes behaviour for any

[Bug tree-optimization/117467] [15 Regression] 521.wrf_r again explodes memory/compile-time wise

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117467 --- Comment #13 from Richard Biener --- This is somewhat mitigated now but the actual inefficiency is still there.

[Bug tree-optimization/116057] [12 Regression] SLP can introduces partialized uninitialized vectors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116057 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to fail|

[Bug tree-optimization/115669] [12 Regression] rv64gcv/aarch64+sve -fwrapv miscompile since r15-1006-gd93353e6423

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115669 Richard Biener changed: What|Removed |Added Known to work||12.4.1 Status|ASSIGNED

[Bug tree-optimization/115646] [12 Regression] ICE in gen_conditions_for_pow_int_base, at tree-call-cdce.cc:587

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115646 Richard Biener changed: What|Removed |Added Known to fail||12.4.0 Resolution|---

[Bug ipa/118400] New: memory leak of irange at evaluate_properties_for_edge (ipa-fnsummary.cc:690)

: normal Priority: P3 Component: ipa Assignee: unassigned at gcc dot gnu.org Reporter: rguenth at gcc dot gnu.org Target Milestone: --- valgrind shows a definitive memory leak at ==9724== 40,808 bytes in 1 blocks are definitely lost in loss record 4,675 of

[Bug rtl-optimization/117922] [15 Regression] 1000% compilation time slow down on the testcase from pr26854

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117922 Richard Biener changed: What|Removed |Added CC||philipp.tomsich at vrull dot eu --- Co

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