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* [Bug target/104540] New: ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 @ 2022-02-15 5:16 zsojka at seznam dot cz 2022-02-17 13:01 ` [Bug middle-end/104540] " aoliva at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: zsojka at seznam dot cz @ 2022-02-15 5:16 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104540 Bug ID: 104540 Summary: ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 52442 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52442&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 testcase.C during RTL pass: dwarf2 testcase.C: In function 'void foo()': testcase.C:19:1: internal compiler error: Segmentation fault 19 | } | ^ 0x166367f crash_signal /repo/gcc-trunk/gcc/toplev.cc:322 0x11e1770 cfa_reg::operator==(cfa_reg const&) const /repo/gcc-trunk/gcc/dwarf2out.h:144 0x11e1770 cfa_equal_p(dw_cfa_location const*, dw_cfa_location const*) /repo/gcc-trunk/gcc/dwarf2cfi.cc:765 0x11e1a99 cfi_row_equal_p /repo/gcc-trunk/gcc/dwarf2cfi.cc:831 0x11e534a maybe_record_trace_start /repo/gcc-trunk/gcc/dwarf2cfi.cc:2565 0x11e590b create_trace_edges /repo/gcc-trunk/gcc/dwarf2cfi.cc:2679 0x11e5f16 scan_trace /repo/gcc-trunk/gcc/dwarf2cfi.cc:2903 0x11e7303 create_cfi_notes /repo/gcc-trunk/gcc/dwarf2cfi.cc:2930 0x11e7303 execute_dwarf2_frame /repo/gcc-trunk/gcc/dwarf2cfi.cc:3301 0x11e7303 execute /repo/gcc-trunk/gcc/dwarf2cfi.cc:3789 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-7228-20220214143106-g0a1a3afb5fb-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.1/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++ --enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra --with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld --with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r12-7228-20220214143106-g0a1a3afb5fb-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.1 20220214 (experimental) (GCC) ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/104540] ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 2022-02-15 5:16 [Bug target/104540] New: ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 zsojka at seznam dot cz @ 2022-02-17 13:01 ` aoliva at gcc dot gnu.org 2022-02-17 13:41 ` aoliva at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: aoliva at gcc dot gnu.org @ 2022-02-17 13:01 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104540 Alexandre Oliva <aoliva at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2022-02-17 Assignee|unassigned at gcc dot gnu.org |aoliva at gcc dot gnu.org Ever confirmed|0 |1 Status|UNCONFIRMED |ASSIGNED --- Comment #1 from Alexandre Oliva <aoliva at gcc dot gnu.org> --- Mine. Confirmed. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/104540] ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 2022-02-15 5:16 [Bug target/104540] New: ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 zsojka at seznam dot cz 2022-02-17 13:01 ` [Bug middle-end/104540] " aoliva at gcc dot gnu.org @ 2022-02-17 13:41 ` aoliva at gcc dot gnu.org 2022-02-25 1:19 ` cvs-commit at gcc dot gnu.org 2022-02-25 1:43 ` aoliva at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: aoliva at gcc dot gnu.org @ 2022-02-17 13:41 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104540 --- Comment #2 from Alexandre Oliva <aoliva at gcc dot gnu.org> --- Created attachment 52459 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52459&action=edit candidate patch under test Here's a candidate fix ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/104540] ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 2022-02-15 5:16 [Bug target/104540] New: ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 zsojka at seznam dot cz 2022-02-17 13:01 ` [Bug middle-end/104540] " aoliva at gcc dot gnu.org 2022-02-17 13:41 ` aoliva at gcc dot gnu.org @ 2022-02-25 1:19 ` cvs-commit at gcc dot gnu.org 2022-02-25 1:43 ` aoliva at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2022-02-25 1:19 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104540 --- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Alexandre Oliva <aoliva@gcc.gnu.org>: https://gcc.gnu.org/g:a026b67f8f70d6cf35daf42a4b0909f78c9d7f40 commit r12-7382-ga026b67f8f70d6cf35daf42a4b0909f78c9d7f40 Author: Alexandre Oliva <oliva@adacore.com> Date: Thu Feb 24 22:03:34 2022 -0300 Cope with NULL dw_cfi_cfa_loc In def_cfa_0, we may set the 2nd operand's dw_cfi_cfa_loc to NULL, but then cfi_oprnd_equal_p calls cfa_equal_p with a NULL dw_cfa_location*. This patch aranges for us to tolerate NULL dw_cfi_cfa_loc. for gcc/ChangeLog PR middle-end/104540 * dwarf2cfi.cc (cfi_oprnd_equal_p): Cope with NULL dw_cfi_cfa_loc. for gcc/testsuite/ChangeLog PR middle-end/104540 * g++.dg/pr104540.C: New. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/104540] ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 2022-02-15 5:16 [Bug target/104540] New: ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 zsojka at seznam dot cz ` (2 preceding siblings ...) 2022-02-25 1:19 ` cvs-commit at gcc dot gnu.org @ 2022-02-25 1:43 ` aoliva at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: aoliva at gcc dot gnu.org @ 2022-02-25 1:43 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104540 Alexandre Oliva <aoliva at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED --- Comment #4 from Alexandre Oliva <aoliva at gcc dot gnu.org> --- Fixed ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-02-25 1:43 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-02-15 5:16 [Bug target/104540] New: ICE: SIGSEGV in cfi_oprnd_equal_p with -O2 -fharden-conditional-branches -mforce-drap -mstackrealign --param=max-grow-copy-bb-insns=125 zsojka at seznam dot cz 2022-02-17 13:01 ` [Bug middle-end/104540] " aoliva at gcc dot gnu.org 2022-02-17 13:41 ` aoliva at gcc dot gnu.org 2022-02-25 1:19 ` cvs-commit at gcc dot gnu.org 2022-02-25 1:43 ` aoliva at gcc dot gnu.org
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