https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61268
Bug ID: 61268 Summary: [4.10 regression] ICE in vt_expand_var_loc_chain, at var-tracking.c:8262 Product: gcc Version: 4.10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: ro at gcc dot gnu.org CC: ebotcazou at gcc dot gnu.org Host: sparc-sun-solaris2.11 Target: sparc-sun-solaris2.11 Build: sparc-sun-solaris2.11 Between 20140516 (r210514) and 20140520 (r210655) a new testsuite failure occured, both 32 and 64-bit: FAIL: gcc.c-torture/compile/limits-fndefn.c -O3 -g (internal compiler error) FAIL: gcc.c-torture/compile/limits-fndefn.c -O3 -g (test for excess errors) /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.c-torture/compile/limits-fndefn.c:19:1: internal compiler error: in vt_expand_var_loc_chain, at var-tracking.c:8262 0x9b06d7 vt_expand_var_loc_chain /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8262 0x9b06d7 vt_expand_loc_callback /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8458 0x371903 cselib_expand_value_rtx_1 /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1691 0x3716df cselib_expand_value_rtx_1 /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1729 0x373193 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*) /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1538 0x9 /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1538 0x9afd4f vt_expand_var_loc_chain /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8296 0x9afd4f vt_expand_loc_callback /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8458 0x371903 cselib_expand_value_rtx_1 /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1691 0x3716df cselib_expand_value_rtx_1 /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1729 0x373193 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*) /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1538 0x9afd4f vt_expand_var_loc_chain /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8296 0x9afd4f vt_expand_loc_callback /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8458 0x371903 cselib_expand_value_rtx_1 /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1691 0x373193 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def* (*)(rtx_def*, bitmap_head*, int, void*), void*) /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1538 0x9a43fb vt_expand_var_loc_chain /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8296 afd4f vt_expand_var_loc_chain 0x9a43fb vt_expand_var_loc_chain /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8296 0x9a43fb vt_expand_1pvar /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8571 0x9a43fb emit_note_insn_var_location(variable_def**, emit_note_data_def*) /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8625 0x9b3613 traverse_noresize<emit_note_data_def*, emit_note_insn_var_location> /vol/gcc/src/hg/trunk/local/gcc/hash-table.h:928 0x9b3613 traverse<emit_note_data_def*, emit_note_insn_var_location> /vol/gcc/src/hg/trunk/local/gcc/hash-table.h:950 0x9b3613 emit_notes_for_changes /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8985