https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64423
Bug ID: 64423
Summary: Incorrect column number of -Wchar-subscripts
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: chengniansun at gmail dot com
The column number of -Wchar-subscripts is not precise. It always starts at the
beginning of the statement.
$: cat t.c
int a[100];
int f(char c) {
return a[c] + a[c] + a[c];
}
$:
$: gcc-trunk -Wchar-subscripts -c t.c
t.c: In function ‘f’:
t.c:4:3: warning: array subscript has type ‘char’ [-Wchar-subscripts]
return a[c] + a[c] + a[c];
^
t.c:4:3: warning: array subscript has type ‘char’ [-Wchar-subscripts]
t.c:4:3: warning: array subscript has type ‘char’ [-Wchar-subscripts]
$:
$: clang-trunk -Wchar-subscripts -c t.c
t.c:4:11: warning: array subscript is of type 'char' [-Wchar-subscripts]
return a[c] + a[c] + a[c];
^~
t.c:4:18: warning: array subscript is of type 'char' [-Wchar-subscripts]
return a[c] + a[c] + a[c];
^~
t.c:4:25: warning: array subscript is of type 'char' [-Wchar-subscripts]
return a[c] + a[c] + a[c];
^~
3 warnings generated.
