re PR target/57848 (internal compiler error on builtin and '#pragma GCC target()' option)

	PR target/57848
	* c-decl.c (c_builtin_function_ext_scope): Remove
	wrong assumption that it is never called on prexisting
	symbol.

From-SVN: r202572

gcc/c/ChangeLog

+2013-09-13  Kai Tietz  <ktietz@redhat.com>
+
+	PR target/57848
+	* c-decl.c (c_builtin_function_ext_scope): Remove
+	wrong assumption that it is never called on prexisting
+	symbol.
+
 2013-09-08  Joern Rennecke  <joern.rennecke@embecosm.com>
 
 	* c-typeck.c (build_binary_op): Use vector_types_compatible_elements_p.

gcc/c/c-decl.c

@@ -3629,9 +3629,6 @@ c_builtin_function_ext_scope (tree decl)
   const char *name = IDENTIFIER_POINTER (id);
   C_DECL_BUILTIN_PROTOTYPE (decl) = prototype_p (type);
 
-  /* Should never be called on a symbol with a preexisting meaning.  */
-  gcc_assert (!I_SYMBOL_BINDING (id));
-
   bind (id, decl, external_scope, /*invisible=*/false, /*nested=*/false,
 	UNKNOWN_LOCATION);