https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64513
Bug ID: 64513 Summary: [4.8/4.9/5 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2231 with -mstack-arg-probe Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Created attachment 34389 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34389&action=edit reduced testcase Compiler output: $ gcc -O2 -mstack-arg-probe testcase.c testcase.c: In function 'bar': testcase.c:19:1: internal compiler error: in maybe_record_trace_start, at dwarf2cfi.c:2302 } ^ 0x879e5c maybe_record_trace_start /mnt/svn/gcc-trunk/gcc/dwarf2cfi.c:2302 0x87aa53 scan_trace /mnt/svn/gcc-trunk/gcc/dwarf2cfi.c:2480 0x87c20a create_cfi_notes /mnt/svn/gcc-trunk/gcc/dwarf2cfi.c:2634 0x87c20a execute_dwarf2_frame /mnt/svn/gcc-trunk/gcc/dwarf2cfi.c:2990 0x87c20a execute /mnt/svn/gcc-trunk/gcc/dwarf2cfi.c:3470 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions. Tested revisions: r219255 - ICE 4_9 r219040 - ICE 4_8 r219093 - ICE 4_7 r211571 - ICE 4_6 r197894 - OK