Implement inlining of constructor calls.

test/mjsunit/regress/regress-1229.js

Index: test/mjsunit/regress/regress-1229.js
diff --git a/test/mjsunit/regress/regress-1229.js b/test/mjsunit/regress/regress-1229.js
index f3979de1488c923fe654593f5a152f5fa871b5fb..a52e92a58e616367a32c58cbdf66d8cdd046666f 100644
--- a/test/mjsunit/regress/regress-1229.js
+++ b/test/mjsunit/regress/regress-1229.js
@@ -126,19 +126,39 @@ invoke(h3, [8, 6, 4]);
 // Check that %_IsConstructCall returns correct value when inlined
 var NON_CONSTRUCT_MARKER = {};
 var CONSTRUCT_MARKER = {};
-function baz(x) {
+function baz1(x) {
   return (!%_IsConstructCall()) ? NON_CONSTRUCT_MARKER : CONSTRUCT_MARKER;
 }
 
-function bar(x, y, z) {
-  var non_construct = baz(0); /* baz should be inlined */
-  assertEquals(non_construct, NON_CONSTRUCT_MARKER);
-  var non_construct = baz(); /* baz should be inlined */
-  assertEquals(non_construct, NON_CONSTRUCT_MARKER);
-  var non_construct = baz(0, 0); /* baz should be inlined */
-  assertEquals(non_construct, NON_CONSTRUCT_MARKER);
-  var construct = new baz(0);
-  assertEquals(construct, CONSTRUCT_MARKER);
+function bar1(x, y, z) {
+  var non_construct = baz1(0); /* baz should be inlined */
+  assertSame(non_construct, NON_CONSTRUCT_MARKER);
+  var non_construct = baz1(); /* baz should be inlined */
+  assertSame(non_construct, NON_CONSTRUCT_MARKER);
+  var non_construct = baz1(0, 0); /* baz should be inlined */
+  assertSame(non_construct, NON_CONSTRUCT_MARKER);
+  var construct = new baz1(0);
+  assertSame(construct, CONSTRUCT_MARKER);
+  var construct = new baz1(0, 0);
+  assertSame(construct, CONSTRUCT_MARKER);
 }
 
-invoke(bar, [1, 2, 3]);
+function baz2(x) {
+  return (!%IsConstructCall()) ? NON_CONSTRUCT_MARKER : CONSTRUCT_MARKER;
+}
+
+function bar2(x, y, z) {
+  var non_construct = baz2(0); /* baz should be inlined */
+  assertSame(non_construct, NON_CONSTRUCT_MARKER);
+  var non_construct = baz2(); /* baz should be inlined */
+  assertSame(non_construct, NON_CONSTRUCT_MARKER);
+  var non_construct = baz2(0, 0); /* baz should be inlined */
+  assertSame(non_construct, NON_CONSTRUCT_MARKER);
+  var construct = new baz2(0);
+  assertSame(construct, CONSTRUCT_MARKER);
+  var construct = new baz2(0, 0);
+  assertSame(construct, CONSTRUCT_MARKER);
+}
+
+invoke(bar1, [1, 2, 3]);
+invoke(bar2, [1, 2, 3]);