Fix *_CST ICEs connected to MPX.

2017-03-20  Martin Liska  <mliska@suse.cz>

	PR target/79769
	PR target/79770
	* tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
	COMPLEX_CST and VECTOR_CST.
2017-03-20  Martin Liska  <mliska@suse.cz>

	PR target/79769
	PR target/79770
	* g++.dg/pr79769.C: New test.
	* gcc.target/i386/mpx/pr79770.c: New test.

From-SVN: r246275

gcc/ChangeLog

+2017-03-20  Martin Liska  <mliska@suse.cz>
+
+	PR target/79769
+	PR target/79770
+	* tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
+	COMPLEX_CST and VECTOR_CST.
+
 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 
 	PR target/78857

gcc/testsuite/ChangeLog

+2017-03-20  Martin Liska  <mliska@suse.cz>
+
+	PR target/79769
+	PR target/79770
+	* g++.dg/pr79769.C: New test.
+	* gcc.target/i386/mpx/pr79770.c: New test.
+
 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 
 	PR target/78857

gcc/testsuite/g++.dg/pr79769.C

+/* { dg-do compile { target { { i?86-*-* x86_64-*-* } && { ! x32 } } } } */
+/* { dg-options "-fcheck-pointer-bounds -mmpx -mabi=ms" } */
+
+void a (_Complex) { a (3); }

gcc/testsuite/gcc.target/i386/mpx/pr79770.c

+/* { dg-do compile { target lp64 } } */
+/* { dg-options "-fcheck-pointer-bounds -mmpx -mabi=ms -Wno-psabi" } */
+
+typedef unsigned U __attribute__ ((vector_size (64)));
+typedef unsigned __int128 V __attribute__ ((vector_size (64)));
+
+static inline V
+bar (U u, U x, V v)
+{
+  v = (V)(U) { 0, ~0 };
+  v[x[0]] <<= u[-63];
+  return v;
+}
+
+V
+foo (U u)
+{
+  return bar (u, (U) {}, (V) {});
+}

gcc/tree-chkp.c

@@ -3731,6 +3731,8 @@ chkp_find_bounds_1 (tree ptr, tree ptr_src, gimple_stmt_iterator *iter)
       break;
 
     case INTEGER_CST:
+    case COMPLEX_CST:
+    case VECTOR_CST:
       if (integer_zerop (ptr_src))
 	bounds = chkp_get_none_bounds ();
       else