diff options
Diffstat (limited to 'gcc/c/c-decl.c')
| -rw-r--r-- | gcc/c/c-decl.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c index e2e0f64..955c0e8 100644 --- a/gcc/c/c-decl.c +++ b/gcc/c/c-decl.c @@ -3090,7 +3090,7 @@ implicit_decl_warning (location_t loc, tree id, tree olddecl) bool warned; tree hint = NULL_TREE; if (!olddecl) - hint = lookup_name_fuzzy (id, FUZZY_LOOKUP_NAME); + hint = lookup_name_fuzzy (id, FUZZY_LOOKUP_FUNCTION_NAME); if (flag_isoc99) if (hint) @@ -4028,9 +4028,30 @@ lookup_name_fuzzy (tree name, enum lookup_name_fuzzy_kind kind) if (TREE_CODE (binding->decl) == FUNCTION_DECL) if (C_DECL_IMPLICIT (binding->decl)) continue; - if (kind == FUZZY_LOOKUP_TYPENAME) - if (TREE_CODE (binding->decl) != TYPE_DECL) - continue; + switch (kind) + { + case FUZZY_LOOKUP_TYPENAME: + if (TREE_CODE (binding->decl) != TYPE_DECL) + continue; + break; + + case FUZZY_LOOKUP_FUNCTION_NAME: + if (TREE_CODE (binding->decl) != FUNCTION_DECL) + { + /* Allow function pointers. */ + if ((VAR_P (binding->decl) + || TREE_CODE (binding->decl) == PARM_DECL) + && TREE_CODE (TREE_TYPE (binding->decl)) == POINTER_TYPE + && (TREE_CODE (TREE_TYPE (TREE_TYPE (binding->decl))) + == FUNCTION_TYPE)) + break; + continue; + } + break; + + default: + break; + } bm.consider (binding->id); } |