Small change to uses of reference: adds two more frame spills after reference...

src/codegen-ia32.cc

Index: src/codegen-ia32.cc
===================================================================
--- src/codegen-ia32.cc	(revision 1034)
+++ src/codegen-ia32.cc	(working copy)
@@ -2288,6 +2288,8 @@
 
   // Remove the exception from the stack.
   frame_->Drop();
+  // Dropping a reference can leave the stack in an unspilled state.
+  frame_->SpillAll();
 
   VisitStatementsAndSpill(node->catch_block()->statements());
   if (has_valid_frame()) {
@@ -3076,7 +3078,7 @@
         var->mode() == Variable::CONST &&
         node->op() != Token::INIT_VAR && node->op() != Token::INIT_CONST) {
       // Assignment ignored - leave the value on the stack.
-  } else {
+    } else {
       CodeForSourcePosition(node->position());
       if (node->op() == Token::INIT_CONST) {
         // Dynamic constant initializations must use the function context
@@ -3227,6 +3229,9 @@
       // Call the function.
       CallWithArguments(args, node->position());
     }
+    // Needed because of the Reference destructor in the else case.
+    // Does nothing in the then case.
+    frame_->SpillAll();
 
   } else {
     // ----------------------------------