re PR middle-end/32370 (Segfault after rejecting bogus assembler)

	PR middle-end/32370
	* passes.c (init_optimization_passes): Move pass_df_finish
	after pass_postreload sublist.

	* gcc.dg/pr32370.c: New test.

From-SVN: r127856

gcc/ChangeLog

 2007-08-28  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/32370
+	* passes.c (init_optimization_passes): Move pass_df_finish
+	after pass_postreload sublist.
+
 	PR rtl-optimization/33148
 	* simplify-rtx.c (simplify_unary_operation_1): Only optimize
 	(neg (lt X 0)) if X has scalar int mode.

gcc/passes.c

@@ -762,13 +762,13 @@ init_optimization_passes (void)
 	  NEXT_PASS (pass_machine_reorg);
 	  NEXT_PASS (pass_cleanup_barriers);
 	  NEXT_PASS (pass_delay_slots);
-	  NEXT_PASS (pass_df_finish);
 	  NEXT_PASS (pass_split_for_shorten_branches);
 	  NEXT_PASS (pass_convert_to_eh_region_ranges);
 	  NEXT_PASS (pass_shorten_branches);
 	  NEXT_PASS (pass_set_nothrow_function_flags);
 	  NEXT_PASS (pass_final);
 	}
+      NEXT_PASS (pass_df_finish);
     }
   NEXT_PASS (pass_clean_state);
   *p = NULL;

gcc/testsuite/ChangeLog

 2007-08-28  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/32370
+	* gcc.dg/pr32370.c: New test.
+
 	PR rtl-optimization/33148
 	* gcc.c-torture/compile/20070827-1.c: New test.
 

gcc/testsuite/gcc.dg/pr32370.c

+/* PR middle-end/32370 */
+/* { dg-do compile { target i?86-*-* x86_64-*-* ia64-*-* } } */
+/* { dg-options "" { target ia64-*-* } } */
+/* { dg-options "-ffixed-esi" { target i?86-*-* x86_64-*-* } } */
+
+#if defined __i386__ || defined __x86_64__
+# define C "=S"
+#elif defined __ia64__
+# define C "=a"
+#endif
+
+unsigned int
+foo (unsigned long port)
+{
+  unsigned int v;
+  __asm__ __volatile__ ("" : C (v) : "Nd" (port));	/* { dg-error "while reloading\|has impossible" } */
+  return v;
+}
+
+void
+bar (void)
+{
+  foo (0);
+}