https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81021
--- Comment #25 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Martin Liška from comment #24) > Just run with current trunk and it works (it fails after a minute in > ==13736==ERROR: AddressSanitizer: stack-overflow on address 0x2adb9b406e48 > (pc 0x0000067d8638 bp 0x2adb9b408020 sp 0x2adb9b406e30 T1) > So I'm going to test gcc-7-branch and I hope this patch is missing: > > commit 5b64e274ea8c9aaedcebc1d6ad285a11e64ab086 > Author: marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4> > Date: Fri Jun 30 08:51:00 2017 +0000 > > Call BUILT_IN_ASAN_HANDLE_NO_RETURN before BUILT_IN_UNWIND_RESUME (PR > sanitizer/81021). > > 2017-06-30 Martin Liska <mli...@suse.cz> > > PR sanitizer/81021 > * g++.dg/asan/pr81021.C: New test. > 2017-06-30 Martin Liska <mli...@suse.cz> > > PR sanitizer/81021 > * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN > before BUILT_IN_UNWIND_RESUME when ASAN is used. Confirmed, having GCC 7.x and the patch fixes the issue. Will appear soon in backport.
