re PR c/38700 (ICE with __builtin_expect and label)

	PR c/38700
	* builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
	and FUNCTION_DECLs.

	* gcc.dg/pr38700.c: New test.

From-SVN: r143028

gcc/ChangeLog

+2009-01-03  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/38700
+	* builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
+	and FUNCTION_DECLs.
+
 2009-01-02  Kenneth Zadeck <zadeck@naturalbridge.com>
 
 	PR rtl-optimization/35805

gcc/builtins.c

 /* Expand builtin functions.
    Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -7324,7 +7324,9 @@ fold_builtin_expect (tree arg0, tree arg1)
 	}
       while (TREE_CODE (inner) == COMPONENT_REF
 	     || TREE_CODE (inner) == ARRAY_REF);
-      if (DECL_P (inner) && DECL_WEAK (inner))
+      if ((TREE_CODE (inner) == VAR_DECL
+           || TREE_CODE (inner) == FUNCTION_DECL)
+	  && DECL_WEAK (inner))
 	return NULL_TREE;
     }
 

gcc/testsuite/ChangeLog

+2009-01-03  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/38700
+	* gcc.dg/pr38700.c: New test.
+
 2009-01-02  Jason Merrill  <jason@redhat.com>
 
 	* g++.dg/cpp0x/initlist11.C: New test.

gcc/testsuite/gcc.dg/pr38700.c

+/* PR c/38700 */
+/* { dg-do compile } */
+/* { dg-options "-O0" } */
+
+int
+foo ()
+{
+  __SIZE_TYPE__ s = __builtin_expect ((__SIZE_TYPE__)&&L, 0);
+L:
+  return 0;
+}