re PR middle-end/24820 (SEGV in integer_valued_real_p at gcc/builtins.c:6711)

2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24820
        * testsuite/gcc.dg/pr24820.c: New test.
2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/24820
        * builtins.c (integer_valued_real_p): Add break in
        REAL_CST having TREE_OVERFLOW set.

From-SVN: r106851

gcc/ChangeLog

+2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	PR middle-end/24820
+	* builtins.c (integer_valued_real_p): Add break in
+	REAL_CST having TREE_OVERFLOW set.
+
 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
 
 	* tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting

gcc/builtins.c

@@ -6704,6 +6704,7 @@ integer_valued_real_p (tree t)
 	real_trunc (&cint, TYPE_MODE (TREE_TYPE (t)), &c);
 	return real_identical (&c, &cint);
       }
+      break;
 
     case NOP_EXPR:
       {

gcc/testsuite/ChangeLog

+2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	PR middle-end/24820
+	* testsuite/gcc.dg/pr24820.c: New test.
+
 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
 
 	* gcc.dg/tree-ssa/loop-2.c: Fix outcome.

gcc/testsuite/gcc.dg/pr24820.c

+/* { dg-do compile } */
+/* { dg-options "-O2 -ffast-math" } */
+
+double floor (double);
+double bar (double sum)
+{
+  int i;
+  for (i = 0; i < 256; i++)
+   sum += floor (0.5 + (i - 128));
+  return sum;
+}
+