re PR tree-optimization/35737 (ICE with __builtin_setjmp and complex variable)

        PR tree-opt/35737
        * tree-complex.c (set_component_ssa_name): Don't optimize
        is_gimple_min_invariant values with ssa_names in abnormal phis.

From-SVN: r140812

gcc/ChangeLog

+2008-10-01  Richard Henderson  <rth@redhat.com>
+
+	PR tree-opt/35737
+	* tree-complex.c (set_component_ssa_name): Don't optimize
+	is_gimple_min_invariant values with ssa_names in abnormal phis.
+
 2008-09-30  Paolo Bonzini  <bonzini@gnu.org>
 
 	PR tree-optimization/37662

gcc/testsuite/gcc.c-torture/compile/complex-6.c

+/* PR tree-opt/35737 */
+
+long buf[10];
+
+int foo()
+{
+  __complex__ int i = 0;
+
+  if (__builtin_setjmp(buf))
+  {
+    i = 1;
+    bar();
+  }
+
+  return i == 0;
+}
+

gcc/tree-complex.c

@@ -537,7 +537,8 @@ set_component_ssa_name (tree ssa_name, bool imag_p, tree value)
   /* If we've nothing assigned, and the value we're given is already stable,
      then install that as the value for this SSA_NAME.  This preemptively
      copy-propagates the value, which avoids unnecessary memory allocation.  */
-  else if (is_gimple_min_invariant (value))
+  else if (is_gimple_min_invariant (value)
+	   && !SSA_NAME_OCCURS_IN_ABNORMAL_PHI (ssa_name))
     {
       VEC_replace (tree, complex_ssa_name_components, ssa_name_index, value);
       return NULL;