Shorten live ranges of argument subexpressions.

test/mjsunit/compiler/regress-stacktrace.js

Index: test/mjsunit/compiler/regress-stacktrace.js
diff --git a/test/mjsunit/compiler/regress-stacktrace.js b/test/mjsunit/compiler/regress-stacktrace.js
index 843dd1208c767cf53e2831609a4d2485ec438e54..72a6f3bf954d21fabee7a1754e8ea9ddb5485ac7 100644
--- a/test/mjsunit/compiler/regress-stacktrace.js
+++ b/test/mjsunit/compiler/regress-stacktrace.js
@@ -43,10 +43,10 @@ try {
   var p3 = stack.indexOf("at three");
   var p2 = stack.indexOf("at two");
   var p1 = stack.indexOf("at one");
-  assertTrue(p3 != -1);
-  assertTrue(p2 != -1);
-  assertTrue(p1 != -1);
-  assertTrue(p3 < p2);
-  assertTrue(p2 < p1);
   print(stack);
+  assertTrue(p3 != -1, "p3 != -1");
+  assertTrue(p2 != -1, "p2 != -1");
+  assertTrue(p1 != -1, "p1 != -1");
+  assertTrue(p3 < p2, "p3 < p2");
+  assertTrue(p2 < p1, "p2 < p1");
 }