https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67410
Bug ID: 67410 Summary: c/c-typeck.c references out of bounds array Product: gcc Version: 5.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: zeccav at gmail dot com Target Milestone: --- /*sanitizer message*/ /*gcc-5.2.0/gcc/c/c-typeck.c:8266:42: runtime error: load of address 0x7ffc8682b570 with insufficient space for an object of type 'long int'*/ /*gcc-5.2.0/gcc/c/c-typeck.c:8266:42: runtime error: store to address 0x7ffc8682b570 with insufficient space for an object of type 'long int'*/ /*offending source line "val[bitpos % HOST_BITS_PER_WIDE_INT]" * val is dimensioned [2] but bitpos % HOST_BITS_PER_WIDE_INT == 8 * double check with "gcc_assert(bitpos % HOST_BITS_PER_WIDE_INT<2);" * Target: x86_64-unknown-linux-gnu */ struct { __CHAR16_TYPE__ S[1]; } a[] = { u"f" , [0].S[0] = u'x' };