re PR target/65044 (ICE: SIGSEGV in contains_struct_check with…

re PR target/65044 (ICE: SIGSEGV in contains_struct_check with -fsanitize=address -fcheck-pointer-bounds)

gcc/

	PR target/65044
	* toplev.c (process_options): Restrict Pointer Bounds Checker
	usage with Address Sanitizer.

gcc/testsuite/

	PR target/65044
	* gcc.target/i386/pr65044.c: New.

From-SVN: r221379

gcc/ChangeLog

+2015-03-12  Ilya Enkovich  <ilya.enkovich@intel.com>
+
+	PR target/65044
+	* toplev.c (process_options): Restrict Pointer Bounds Checker
+	usage with Address Sanitizer.
+
 2015-03-12  Richard Biener  <rguenther@suse.de>
 
 	* tree-cfg.c (gimple_split_block): Remove loop finding stmt

gcc/testsuite/ChangeLog

+2015-03-12  Ilya Enkovich  <ilya.enkovich@intel.com>
+
+	PR target/65044
+	* gcc.target/i386/pr65044.c: New.
+
 2015-03-12  Tom de Vries  <tom@codesourcery.com>
 
 	PR rtl-optimization/64895

gcc/testsuite/gcc.target/i386/pr65044.c

+/* { dg-error "-fcheck-pointer-bounds is not supported with Address Sanitizer" } */
+/* { dg-do compile } */
+/* { dg-require-effective-target mpx } */
+/* { dg-options "-fcheck-pointer-bounds -mmpx -fsanitize=address" } */
+
+extern int x[];
+
+void
+foo ()
+{
+  x[0] = 0;
+}

gcc/toplev.c

@@ -1375,7 +1375,17 @@ process_options (void)
   if (flag_check_pointer_bounds)
     {
       if (targetm.chkp_bound_mode () == VOIDmode)
-	error ("-fcheck-pointer-bounds is not supported for this target");
+	{
+	  error ("-fcheck-pointer-bounds is not supported for this target");
+	  flag_check_pointer_bounds = 0;
+	}
+
+      if (flag_sanitize & SANITIZE_ADDRESS)
+	{
+	  error ("-fcheck-pointer-bounds is not supported with "
+		 "Address Sanitizer");
+	  flag_check_pointer_bounds = 0;
+	}
     }
 
   /* One region RA really helps to decrease the code size.  */