diff options
Diffstat (limited to 'gcc-4.4.0/gcc/c-typeck.c')
| -rw-r--r-- | gcc-4.4.0/gcc/c-typeck.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc-4.4.0/gcc/c-typeck.c b/gcc-4.4.0/gcc/c-typeck.c index cf9bccc24..d88c6f9da 100644 --- a/gcc-4.4.0/gcc/c-typeck.c +++ b/gcc-4.4.0/gcc/c-typeck.c @@ -8343,6 +8343,19 @@ build_binary_op (location_t location, enum tree_code code, { tree tt0 = TREE_TYPE (type0); tree tt1 = TREE_TYPE (type1); + if (TREE_CODE (op0) == ADDR_EXPR + && TREE_CODE (TREE_OPERAND (op0, 0)) == FUNCTION_DECL) + warning_at (location, + OPT_Wicf, + "Function pointer used in comparison : %qD", + TREE_OPERAND (op0, 0)); + if (TREE_CODE (op1) == ADDR_EXPR + && TREE_CODE (TREE_OPERAND (op1, 0)) == FUNCTION_DECL) + warning_at (location, + OPT_Wicf, + "Function pointer used in comparison : %qD", + TREE_OPERAND (op1, 0)); + /* Anything compares with void *. void * compares with anything. Otherwise, the targets must be compatible and both must be object or both incomplete. */ |