diff options
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 5d4564a..cb58d32 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -2369,7 +2369,21 @@ merge_decls (tree newdecl, tree olddecl, tree newtype, tree oldtype) DECL_FUNCTION_CODE (newdecl) = DECL_FUNCTION_CODE (olddecl); C_DECL_DECLARED_BUILTIN (newdecl) = 1; if (new_is_prototype) - C_DECL_BUILTIN_PROTOTYPE (newdecl) = 0; + { + C_DECL_BUILTIN_PROTOTYPE (newdecl) = 0; + if (DECL_BUILT_IN_CLASS (newdecl) == BUILT_IN_NORMAL) + switch (DECL_FUNCTION_CODE (newdecl)) + { + /* If a compatible prototype of these builtin functions + is seen, assume the runtime implements it with the + expected semantics. */ + case BUILT_IN_STPCPY: + implicit_built_in_decls[DECL_FUNCTION_CODE (newdecl)] + = built_in_decls[DECL_FUNCTION_CODE (newdecl)]; + default: + break; + } + } else C_DECL_BUILTIN_PROTOTYPE (newdecl) = C_DECL_BUILTIN_PROTOTYPE (olddecl); |