re PR target/65184 (ICE: in expand_expr_addr_expr_1, at expr.c:7760 with…

re PR target/65184 (ICE: in expand_expr_addr_expr_1, at expr.c:7760 with -mabi=ms -fcheck-pointer-bounds -mmpx)

gcc/

	PR target/65184
	* gcc/config/i386/i386.c (ix86_pass_by_reference) Bounds
	are never passed by reference.

gcc/testsuite/

	PR target/65184
	* gcc.target/i386/pr65184.c: New.

From-SVN: r221106

gcc/ChangeLog

 2015-03-02  Ilya Enkovich  <ilya.enkovich@intel.com>
 
+	PR target/65184
+	* gcc/config/i386/i386.c (ix86_pass_by_reference) Bounds
+	are never passed by reference.
+
+2015-03-02  Ilya Enkovich  <ilya.enkovich@intel.com>
+
 	PR target/65183
 	* tree-chkp.c (chkp_check_lower): Don't check against
 	zero bounds for already instrumented functions.

gcc/config/i386/i386.c

@@ -7914,6 +7914,11 @@ ix86_pass_by_reference (cumulative_args_t cum_v, machine_mode mode,
 {
   CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v);
 
+  /* Bounds are never passed by reference.  */
+  if ((type && POINTER_BOUNDS_TYPE_P (type))
+      || POINTER_BOUNDS_MODE_P (mode))
+    return false;
+
   /* See Windows x64 Software Convention.  */
   if (TARGET_64BIT && (cum ? cum->call_abi : ix86_abi) == MS_ABI)
     {

gcc/testsuite/ChangeLog

 2015-03-02  Ilya Enkovich  <ilya.enkovich@intel.com>
 
+	PR target/65184
+	* gcc.target/i386/pr65184.c: New.
+
+2015-03-02  Ilya Enkovich  <ilya.enkovich@intel.com>
+
 	PR target/65183
 	* gcc.target/i386/pr65183.c: New.
 

gcc/testsuite/gcc.target/i386/pr65184.c

+/* { dg-do compile } */
+/* { dg-require-effective-target mpx } */
+/* { dg-options "-O2 -mabi=ms -fcheck-pointer-bounds -mmpx" } */
+
+void
+foo (int *a)
+{
+  if (a[0] != a[1] * 2333)
+    __builtin_abort ();
+}
+
+void
+bar (int *a)
+{
+  if (a[0] != a[1] * 2333)
+    __builtin_abort ();
+}