/* Test -Wchar-subscripts. */ /* Origin: Joseph Myers */ /* { dg-do compile } */ /* { dg-options "-Wchar-subscripts" } */ extern int a[]; int *p; char c; signed char sc; unsigned char uc; void f (void) { a[sc]; a[uc]; sc[a]; uc[a]; p[sc]; p[uc]; sc[p]; uc[p]; a[c]; /* { dg-warning "array subscript has type 'char'" } */ p[c]; /* { dg-warning "array subscript has type 'char'" } */ /* -Wchar-subscripts does not warn if the char is not syntactically the subscript. */ c[a]; c[p]; }