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* [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault @ 2021-11-18 12:39 zhendong.su at inf dot ethz.ch 2021-11-18 12:40 ` [Bug c/103314] " zhendong.su at inf dot ethz.ch ` (9 more replies) 0 siblings, 10 replies; 11+ messages in thread From: zhendong.su at inf dot ethz.ch @ 2021-11-18 12:39 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103314 Bug ID: 103314 Summary: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: zhendong.su at inf dot ethz.ch Target Milestone: --- It seems to be a recent regression. [585] % gcctk -v Using built-in specs. COLLECT_GCC=gcctk COLLECT_LTO_WRAPPER=/local/suz-local/software/local/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: ../gcc-trunk/configure --disable-bootstrap --prefix=/local/suz-local/software/local/gcc-trunk --enable-languages=c,c++ --disable-werror --enable-multilib --with-system-zlib Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20211118 (experimental) [master r12-5359-g280d2838c11] (GCC) [586] % [586] % gcctk -O0 small.c; ./a.out [587] % [587] % gcc110 -O1 small.c; ./a.out small.c: In function ‘main’: small.c:3:37: warning: right shift count is negative [-Wshift-count-negative] 3 | unsigned c = 0, d = c ? 1 ^ c ^ 1 >> a : 0; | ~~^~~~ [588] % [588] % gcctk -O1 small.c small.c: In function ‘main’: small.c:3:37: warning: right shift count is negative [-Wshift-count-negative] 3 | unsigned c = 0, d = c ? 1 ^ c ^ 1 >> a : 0; | ~~^~~~ gcctk: internal compiler error: Segmentation fault signal terminated program cc1 Please submit a full bug report, with preprocessed source if appropriate. See <https://gcc.gnu.org/bugs/> for instructions. [589] % [589] % cat small.c const int a = -1; int main() { unsigned c = 0, d = c ? 1 ^ c ^ 1 >> a : 0; return 0; } ^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug c/103314] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault 2021-11-18 12:39 [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch @ 2021-11-18 12:40 ` zhendong.su at inf dot ethz.ch 2021-11-18 12:46 ` [Bug middle-end/103314] [12 regression] " pinskia at gcc dot gnu.org ` (8 subsequent siblings) 9 siblings, 0 replies; 11+ messages in thread From: zhendong.su at inf dot ethz.ch @ 2021-11-18 12:40 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103314 --- Comment #1 from Zhendong Su <zhendong.su at inf dot ethz.ch> --- BT below: #0 0x00000000011ee287 in wi::fits_to_tree_p<poly_int<1u, generic_wide_int<wide_int_ref_storage<false, true> > > > (x=..., type=0x7ffff65f15e8) at ../../gcc-trunk/gcc/tree.h:6263 #1 0x00000000011ddf6f in force_fit_type (type=type@entry=0x7ffff65f15e8, cst=..., overflowable=1, overflowed=<optimized out>) at ../../gcc-trunk/gcc/tree.c:1558 #2 0x0000000000a98fba in fold_convert_const_int_from_int (arg1=0x7ffff6720450, type=0x7ffff65f15e8) at ../../gcc-trunk/gcc/fold-const.c:2002 #3 fold_convert_const (code=code@entry=NOP_EXPR, type=type@entry=0x7ffff65f15e8, arg1=arg1@entry=0x7ffff6720450) at ../../gcc-trunk/gcc/fold-const.c:2284 #4 0x0000000000ab9885 in const_unop (code=code@entry=NOP_EXPR, type=type@entry=0x7ffff65f15e8, arg0=arg0@entry=0x7ffff6720450) at ../../gcc-trunk/gcc/fold-const.c:1741 #5 0x0000000000aadd2d in fold_unary_loc (loc=loc@entry=2147483650, code=code@entry=NOP_EXPR, type=type@entry=0x7ffff65f15e8, op0=op0@entry=0x7ffff6720450) at ../../gcc-trunk/gcc/fold-const.c:9245 #6 0x0000000000ab00ea in fold_build1_loc (loc=loc@entry=2147483650, code=code@entry=NOP_EXPR, type=0x7ffff65f15e8, op0=0x7ffff6720450) at ../../gcc-trunk/gcc/fold-const.c:13728 #7 0x0000000001572dcf in generic_simplify_359 (loc=loc@entry=2147483650, type=type@entry=0x7ffff65f1690, captures=0x7ffffbfff7a0, bitop=bitop@entry=BIT_XOR_EXPR, _p1=0x7ffff6720450, _p0=0x7ffff61a33a0) at generic-match.c:18945 #8 0x000000000161f20e in generic_simplify_BIT_XOR_EXPR (loc=2147483650, type=type@entry=0x7ffff65f1690, _p0=_p0@entry=0x7ffff61a33a0, _p1=_p1@entry=0x7ffff6720450, code=BIT_XOR_EXPR) at generic-match.c:42342 #9 0x000000000166995e in generic_simplify (loc=loc@entry=2147483650, code=code@entry=BIT_XOR_EXPR, type=type@entry=0x7ffff65f1690, _p0=_p0@entry=0x7ffff61a33a0, _p1=_p1@entry=0x7ffff6720450) at generic-match.c:84379 #10 0x0000000000aa2946 in fold_binary_loc (loc=loc@entry=2147483650, code=code@entry=BIT_XOR_EXPR, type=type@entry=0x7ffff65f1690, op0=op0@entry=0x7ffff61a33a0, op1=op1@entry=0x7ffff6720450) at ../../gcc-trunk/gcc/fold-const.c:10822 #11 0x0000000000aabd3b in fold_build2_loc (loc=2147483650, code=BIT_XOR_EXPR, type=0x7ffff65f1690, op0=0x7ffff61a33a0, op1=0x7ffff6720450) at ../../gcc-trunk/gcc/fold-const.c:13774 #12 0x0000000000aa34cc in fold_binary_loc (loc=loc@entry=2147483650, code=code@entry=BIT_XOR_EXPR, type=type@entry=0x7ffff65f1690, op0=op0@entry=0x7ffff7ff6cf0, op1=op1@entry=0x7ffff61a3380) at ../../gcc-trunk/gcc/fold-const.c:11365 #13 0x0000000000aabd3b in fold_build2_loc (loc=2147483650, code=BIT_XOR_EXPR, type=0x7ffff65f1690, op0=0x7ffff7ff6cf0, op1=0x7ffff61a3380) at ../../gcc-trunk/gcc/fold-const.c:13774 #14 0x0000000000aa35a9 in fold_binary_loc (loc=loc@entry=2147483650, code=code@entry=BIT_XOR_EXPR, type=type@entry=0x7ffff65f1690, op0=op0@entry=0x7ffff7ff6cf0, op1=op1@entry=0x7ffff61a3340) at ../../gcc-trunk/gcc/fold-const.c:11397 #15 0x0000000000aabd3b in fold_build2_loc (loc=2147483650, code=BIT_XOR_EXPR, type=0x7ffff65f1690, op0=0x7ffff7ff6cf0, op1=0x7ffff61a3340) at ../../gcc-trunk/gcc/fold-const.c:13774 #16 0x0000000000aa35a9 in fold_binary_loc (loc=loc@entry=2147483650, code=code@entry=BIT_XOR_EXPR, type=type@entry=0x7ffff65f1690, op0=op0@entry=0x7ffff7ff6cf0, op1=op1@entry=0x7ffff61a3300) at ../../gcc-trunk/gcc/fold-const.c:11397 #17 0x0000000000aabd3b in fold_build2_loc (loc=2147483650, code=BIT_XOR_EXPR, type=0x7ffff65f1690, op0=0x7ffff7ff6cf0, op1=0x7ffff61a3300) at ../../gcc-trunk/gcc/fold-const.c:13774 #18 0x0000000000aa35a9 in fold_binary_loc (loc=loc@entry=2147483650, code=code@entry=BIT_XOR_EXPR, type=type@entry=0x7ffff65f1690, op0=op0@entry=0x7ffff7ff6cf0, op1=op1@entry=0x7ffff61a32c0) at ../../gcc-trunk/gcc/fold-const.c:11397 #19 0x0000000000aabd3b in fold_build2_loc (loc=2147483650, code=BIT_XOR_EXPR, type=0x7ffff65f1690, op0=0x7ffff7ff6cf0, op1=0x7ffff61a32c0) at ../../gcc-trunk/gcc/fold-const.c:13774 #20 0x0000000000aa35a9 in fold_binary_loc (loc=loc@entry=2147483650, code=code@entry=BIT_XOR_EXPR, type=type@entry=0x7ffff65f1690, op0=op0@entry=0x7ffff7ff6cf0, op1=op1@entry=0x7ffff61a3280) at ../../gcc-trunk/gcc/fold-const.c:11397 #21 0x0000000000aabd3b in fold_build2_loc (loc=2147483650, code=BIT_XOR_EXPR, type=0x7ffff65f1690, op0=0x7ffff7ff6cf0, op1=0x7ffff61a3280) at ../../gcc-trunk/gcc/fold-const.c:13774 #22 0x0000000000aa35a9 in fold_binary_loc (loc=loc@entry=2147483650, code=code@entry=BIT_XOR_EXPR, type=type@entry=0x7ffff65f1690, op0=op0@entry=0x7ffff7ff6cf0, op1=op1@entry=0x7ffff61a3240) at ../../gcc-trunk/gcc/fold-const.c:11397 ^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault 2021-11-18 12:39 [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch 2021-11-18 12:40 ` [Bug c/103314] " zhendong.su at inf dot ethz.ch @ 2021-11-18 12:46 ` pinskia at gcc dot gnu.org 2021-11-18 12:47 ` [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault since r12-5358 jakub at gcc dot gnu.org ` (7 subsequent siblings) 9 siblings, 0 replies; 11+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-11-18 12:46 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103314 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Status|UNCONFIRMED |ASSIGNED Summary|ICE on valid code at -O1 |[12 regression] ICE on |and above on |valid code at -O1 and above |x86_64-linux-gnu: |on x86_64-linux-gnu: |Segmentation fault |Segmentation fault Priority|P3 |P1 Assignee|unassigned at gcc dot gnu.org |pinskia at gcc dot gnu.org Target Milestone|--- |12.0 Component|c |middle-end Last reconfirmed| |2021-11-18 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Mine. ^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault since r12-5358 2021-11-18 12:39 [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch 2021-11-18 12:40 ` [Bug c/103314] " zhendong.su at inf dot ethz.ch 2021-11-18 12:46 ` [Bug middle-end/103314] [12 regression] " pinskia at gcc dot gnu.org @ 2021-11-18 12:47 ` jakub at gcc dot gnu.org 2021-11-18 12:52 ` jakub at gcc dot gnu.org ` (6 subsequent siblings) 9 siblings, 0 replies; 11+ messages in thread From: jakub at gcc dot gnu.org @ 2021-11-18 12:47 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103314 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org Summary|[12 regression] ICE on |[12 regression] ICE on |valid code at -O1 and above |valid code at -O1 and above |on x86_64-linux-gnu: |on x86_64-linux-gnu: |Segmentation fault |Segmentation fault since | |r12-5358 --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Started with r12-5358-g32221357007666124409ec3ee0d3a1cf263ebc9e ^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault since r12-5358 2021-11-18 12:39 [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch ` (2 preceding siblings ...) 2021-11-18 12:47 ` [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault since r12-5358 jakub at gcc dot gnu.org @ 2021-11-18 12:52 ` jakub at gcc dot gnu.org 2021-11-19 1:19 ` pinskia at gcc dot gnu.org ` (5 subsequent siblings) 9 siblings, 0 replies; 11+ messages in thread From: jakub at gcc dot gnu.org @ 2021-11-18 12:52 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103314 --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- I bet the TYPE_PRECISION (TREE_TYPE (@0)) == TYPE_PRECISION (type) case should only be allowed if @1 != @3, i.e. when the bitop initially has 2 conversions and turns it into just one, otherwise it will ping-pong endlessly. ^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault since r12-5358 2021-11-18 12:39 [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch ` (3 preceding siblings ...) 2021-11-18 12:52 ` jakub at gcc dot gnu.org @ 2021-11-19 1:19 ` pinskia at gcc dot gnu.org 2021-11-19 1:36 ` pinskia at gcc dot gnu.org ` (4 subsequent siblings) 9 siblings, 0 replies; 11+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-11-19 1:19 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103314 --- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Simplified testcase: int main() { unsigned c = 0, d = c ? 1 ^ c ^ 1 >> (-1) : 0; return c; } The problem is we get: #3 0x0000000000b5aa2d in fold_binary_loc(unsigned int, tree_code, tree_node*, tree_node*, tree_node*) () at /home/apinski/src/upstream-gcc/gcc/gcc/fold-const.c:10822 10822 tem = generic_simplify (loc, code, type, op0, op1); $1 = void (gdb) p debug_generic_expr(op0) (unsigned int) (1 >> -1) $2 = void (gdb) p debug_generic_expr(op1) 1 $3 = void (gdb) op code Undefined command: "op". Try "help". (gdb) p code $4 = BIT_XOR_EXPR Which we produce: (unsigned int) ((1 >> -1) ^ 1) But the code in fold_binary_loc comes a long and decides we should reassociative this and it just goes back and forth or deciding which is correct. So doing this instead: TYPE_PRECISION (TREE_TYPE (@0)) < TYPE_PRECISION (type) || (GIMPLE && TYPE_PRECISION (TREE_TYPE (@0)) == TYPE_PRECISION (type)) Fixes the problem and we should not run into the back and forth issue. ^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault since r12-5358 2021-11-18 12:39 [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch ` (4 preceding siblings ...) 2021-11-19 1:19 ` pinskia at gcc dot gnu.org @ 2021-11-19 1:36 ` pinskia at gcc dot gnu.org 2021-11-19 6:33 ` pinskia at gcc dot gnu.org ` (3 subsequent siblings) 9 siblings, 0 replies; 11+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-11-19 1:36 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103314 --- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #5) > Fixes the problem and we should not run into the back and forth issue. Oh and it only happens with this undefined (at runtime) code :). ^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault since r12-5358 2021-11-18 12:39 [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch ` (5 preceding siblings ...) 2021-11-19 1:36 ` pinskia at gcc dot gnu.org @ 2021-11-19 6:33 ` pinskia at gcc dot gnu.org 2021-11-19 12:07 ` cvs-commit at gcc dot gnu.org ` (2 subsequent siblings) 9 siblings, 0 replies; 11+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-11-19 6:33 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103314 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |patch URL| |https://gcc.gnu.org/piperma | |il/gcc-patches/2021-Novembe | |r/584935.html --- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Patch submitted: https://gcc.gnu.org/pipermail/gcc-patches/2021-November/584935.html ^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault since r12-5358 2021-11-18 12:39 [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch ` (6 preceding siblings ...) 2021-11-19 6:33 ` pinskia at gcc dot gnu.org @ 2021-11-19 12:07 ` cvs-commit at gcc dot gnu.org 2021-11-19 12:08 ` pinskia at gcc dot gnu.org 2021-11-30 11:54 ` pinskia at gcc dot gnu.org 9 siblings, 0 replies; 11+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2021-11-19 12:07 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103314 --- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The trunk branch has been updated by Andrew Pinski <pinskia@gcc.gnu.org>: https://gcc.gnu.org/g:ea2954df43d4162af23a20c84f4c5485463977ac commit r12-5400-gea2954df43d4162af23a20c84f4c5485463977ac Author: Andrew Pinski <apinski@marvell.com> Date: Fri Nov 19 01:42:41 2021 +0000 Fix tree-optimization/103314 : Limit folding of (type) X op CST where type is a nop convert to gimple There is some re-association code in fold_binary which conflicts with this optimization due keeping around some "constants" which are not INTEGER_CST (1 << -1) so we end up in an infinite loop because of that. So we need to limit this case to GIMPLE level only. OK? Bootstrapped and tested on x86_64-linux-gnu with no regressions. PR tree-optimization/103314 gcc/ChangeLog: * match.pd ((type) X op CST): Restrict the equal TYPE_PRECISION case to GIMPLE only. gcc/testsuite/ChangeLog: * gcc.c-torture/compile/pr103314-1.c: New test. ^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault since r12-5358 2021-11-18 12:39 [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch ` (7 preceding siblings ...) 2021-11-19 12:07 ` cvs-commit at gcc dot gnu.org @ 2021-11-19 12:08 ` pinskia at gcc dot gnu.org 2021-11-30 11:54 ` pinskia at gcc dot gnu.org 9 siblings, 0 replies; 11+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-11-19 12:08 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103314 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED --- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Fixed. ^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault since r12-5358 2021-11-18 12:39 [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch ` (8 preceding siblings ...) 2021-11-19 12:08 ` pinskia at gcc dot gnu.org @ 2021-11-30 11:54 ` pinskia at gcc dot gnu.org 9 siblings, 0 replies; 11+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-11-30 11:54 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103314 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |k.even-mendoza at imperial dot ac. | |uk --- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> --- *** Bug 103493 has been marked as a duplicate of this bug. *** ^ permalink raw reply [flat|nested] 11+ messages in thread
end of thread, other threads:[~2021-11-30 11:54 UTC | newest] Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2021-11-18 12:39 [Bug c/103314] New: ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault zhendong.su at inf dot ethz.ch 2021-11-18 12:40 ` [Bug c/103314] " zhendong.su at inf dot ethz.ch 2021-11-18 12:46 ` [Bug middle-end/103314] [12 regression] " pinskia at gcc dot gnu.org 2021-11-18 12:47 ` [Bug middle-end/103314] [12 regression] ICE on valid code at -O1 and above on x86_64-linux-gnu: Segmentation fault since r12-5358 jakub at gcc dot gnu.org 2021-11-18 12:52 ` jakub at gcc dot gnu.org 2021-11-19 1:19 ` pinskia at gcc dot gnu.org 2021-11-19 1:36 ` pinskia at gcc dot gnu.org 2021-11-19 6:33 ` pinskia at gcc dot gnu.org 2021-11-19 12:07 ` cvs-commit at gcc dot gnu.org 2021-11-19 12:08 ` pinskia at gcc dot gnu.org 2021-11-30 11:54 ` pinskia at gcc dot gnu.org
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