With revision 120976, I got cc1: warnings being treated as errors /export/gnu/src/gcc/gcc/gcc/fortran/symbol.c: In function gfc_get_namespace: /export/gnu/src/gcc/gcc/gcc/fortran/symbol.c:1842: warning: array subscript is above array bounds
There are 1838 /* Initialize default implicit types. */ 1839 for (i = 'a'; i <= 'z'; i++) 1840 { 1841 ns->set_flag[i - 'a'] = 0; 1842 ts = &ns->default_type[i - 'a']; bash-3.1$ grep default_type *.h gfortran.h: gfc_typespec default_type[GFC_LETTERS]; ... bash-3.1$ grep GFC_LETTERS *.h gfortran.h:#define GFC_LETTERS 26 /* Number of letters in the alphabet. */ I don't how array subscript can be above array bounds. -- Summary: False array bound check causes gcc failed to boostrap Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl at lucon dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30511