From: Richard Stallman <rms@gnu.org>
Date: Sun, 21 Jun 1992 21:18:59 +0000 (+0000)
Subject: (duplicate_decls):
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=52b6a22f2280b6005c54f48eadb7d9b41f5d664e;p=gcc.git

(duplicate_decls):

If redeclaring builtin function, use new declaration's types.

From-SVN: r1228
---

diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 5c503ac714b..4e516234f40 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -1202,7 +1202,11 @@ duplicate_decls (newdecl, olddecl)
 	  return 0;
 	}
       else if (!types_match)
-	warning_with_decl (newdecl, "conflicting types for built-in function `%s'");
+	{
+	  /* If types don't match for a built-in, throw away the built-in.  */
+	  warning_with_decl (newdecl, "conflicting types for built-in function `%s'");
+	  return 0;
+	}
     }
   else if (TREE_CODE (olddecl) == FUNCTION_DECL
 	   && DECL_SOURCE_LINE (olddecl) == 0)