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* [Bug c/105738] New: asan error during bootstrap @ 2022-05-26 9:59 dcb314 at hotmail dot com 2022-05-26 10:07 ` [Bug target/105738] " pinskia at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: dcb314 at hotmail dot com @ 2022-05-26 9:59 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105738 Bug ID: 105738 Summary: asan error during bootstrap Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- I just got the following error during a bootstrap with asan enabled: echo NO_PIE_CFLAGS = "$NO_PIE_CFLAGS" >> tmp-libgcc.mvars mv tmp-libgcc.mvars libgcc.mvars /bin/sh ../../trunk.git/gcc/../move-if-change tmp-fixinc_list fixinc_list echo timestamp > s-fixinc_list ================================================================= ==46366==ERROR: AddressSanitizer: unknown-crash on address 0x7fe50bb02c10 at pc 0x000002bb655b bp 0x7ffe2f90ce00 sp 0x7ffe2f90cdf8 READ of size 8 at 0x7fe50bb02c10 thread T0 #0 0x2bb655a in NEXT_INSN(rtx_insn const*) ../../trunk.git/gcc/rtl.h:1477 #1 0x2bb655a in expensive_function_p(int) ../../trunk.git/gcc/predict.cc:3702 #2 0x3f57001 in ix86_compute_frame_layout ../../trunk.git/gcc/config/i386/i386.cc:6644 #3 0x285d1c6 in update_reg_eliminate ../../trunk.git/gcc/lra-eliminations.cc:1132 This seems to happen late in stage 3: $ egrep "^Config|^==" mk.out ... Configuring stage 3 in ./gcc ================================================================= ==46366==ERROR: AddressSanitizer: unknown-crash on address 0x7fe50bb02c10 at pc 0x000002bb655b bp 0x7ffe2f90ce00 sp 0x7ffe2f90cdf8 ==46366==ABORTING Configure line is CC="clang -Wall" CXX="clang++ -Wall" \ ../trunk.git/configure --prefix=/home/dcb/gcc/$PREFIX \ --with-build-config=bootstrap-ubsan \ --with-build-config=bootstrap-asan \ --disable-multilib \ --disable-werror \ --enable-checking=df,extra,fold,rtl,yes \ --enable-languages=c,c++,fortran sed 's/-O2/-O3 -march=bdver2/' < Makefile > Makefile.tmp mv Makefile.tmp Makefile ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/105738] asan error during bootstrap 2022-05-26 9:59 [Bug c/105738] New: asan error during bootstrap dcb314 at hotmail dot com @ 2022-05-26 10:07 ` pinskia at gcc dot gnu.org 2022-05-26 18:01 ` dcb314 at hotmail dot com ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu.org @ 2022-05-26 10:07 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105738 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |build, wrong-code Component|c |target --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- It could be clang/llvm miscompiling stage 2. Can you try with gcc as the original compiler? ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/105738] asan error during bootstrap 2022-05-26 9:59 [Bug c/105738] New: asan error during bootstrap dcb314 at hotmail dot com 2022-05-26 10:07 ` [Bug target/105738] " pinskia at gcc dot gnu.org @ 2022-05-26 18:01 ` dcb314 at hotmail dot com 2022-05-30 9:48 ` marxin at gcc dot gnu.org 2022-06-04 20:08 ` dcb314 at hotmail dot com 3 siblings, 0 replies; 5+ messages in thread From: dcb314 at hotmail dot com @ 2022-05-26 18:01 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105738 --- Comment #2 from David Binderman <dcb314 at hotmail dot com> --- (In reply to Andrew Pinski from comment #1) > It could be clang/llvm miscompiling stage 2. Can you try with gcc as the > original compiler? Thanks for the suggestion. I did that, and the problem seems to have gone away ;-> 7.5 hours of compilation and not yet finished, though. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/105738] asan error during bootstrap 2022-05-26 9:59 [Bug c/105738] New: asan error during bootstrap dcb314 at hotmail dot com 2022-05-26 10:07 ` [Bug target/105738] " pinskia at gcc dot gnu.org 2022-05-26 18:01 ` dcb314 at hotmail dot com @ 2022-05-30 9:48 ` marxin at gcc dot gnu.org 2022-06-04 20:08 ` dcb314 at hotmail dot com 3 siblings, 0 replies; 5+ messages in thread From: marxin at gcc dot gnu.org @ 2022-05-30 9:48 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105738 Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 CC| |marxin at gcc dot gnu.org Last reconfirmed| |2022-05-30 Status|UNCONFIRMED |WAITING ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/105738] asan error during bootstrap 2022-05-26 9:59 [Bug c/105738] New: asan error during bootstrap dcb314 at hotmail dot com ` (2 preceding siblings ...) 2022-05-30 9:48 ` marxin at gcc dot gnu.org @ 2022-06-04 20:08 ` dcb314 at hotmail dot com 3 siblings, 0 replies; 5+ messages in thread From: dcb314 at hotmail dot com @ 2022-06-04 20:08 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105738 --- Comment #3 from David Binderman <dcb314 at hotmail dot com> --- I think if the problem has gone away, then it looks like clang is miscompiling. Not a problem in gcc, then. I think this bug can be closed. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-06-04 20:08 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-05-26 9:59 [Bug c/105738] New: asan error during bootstrap dcb314 at hotmail dot com 2022-05-26 10:07 ` [Bug target/105738] " pinskia at gcc dot gnu.org 2022-05-26 18:01 ` dcb314 at hotmail dot com 2022-05-30 9:48 ` marxin at gcc dot gnu.org 2022-06-04 20:08 ` dcb314 at hotmail dot com
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