diff options
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 65fd24d..41e7df0 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -1444,6 +1444,11 @@ diagnose_mismatched_decls (tree newdecl, tree olddecl, definition. */ && !(TREE_CODE (newdecl) == FUNCTION_DECL && DECL_INITIAL (newdecl) && !DECL_INITIAL (olddecl)) + /* Don't warn about redundant redeclarations of builtins. */ + && !(TREE_CODE (newdecl) == FUNCTION_DECL + && !DECL_BUILT_IN (newdecl) + && DECL_BUILT_IN (olddecl) + && !C_DECL_DECLARED_BUILTIN (olddecl)) /* Don't warn about an extern followed by a definition. */ && !(DECL_EXTERNAL (olddecl) && !DECL_EXTERNAL (newdecl)) /* Don't warn about forward parameter decls. */ |