From: Lars Knoll <lars.knoll@digia.com>
Date: Sat, 8 Dec 2012 15:01:23 +0000 (-0800)
Subject: Create a temp when a new expression is called with e.g. a closure
X-Git-Tag: upstream/5.2.1~669^2~659^2~732
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5b870e94e855b0f3acdecf08b5467de5f683cf1e;p=platform%2Fupstream%2Fqtdeclarative.git

Create a temp when a new expression is called with e.g. a closure

Don't crash on e.g.
var x = new (function() { return this; })

Change-Id: I120410b40ecda7fdc41e1dcc2c17251397143bc1
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
---

diff --git a/qv4codegen.cpp b/qv4codegen.cpp
index 9555523..eefd3a3 100644
--- a/qv4codegen.cpp
+++ b/qv4codegen.cpp
@@ -1239,7 +1239,13 @@ bool Codegen::visit(NestedExpression *ast)
 bool Codegen::visit(NewExpression *ast)
 {
     Result base = expression(ast->expression);
-    _expr.code = _block->NEW(*base, 0);
+    IR::Expr *expr = *base;
+    if (expr && !expr->asTemp() && !expr->asName() && !expr->asMember()) {
+        const unsigned t = _block->newTemp();
+        move(_block->TEMP(t), expr);
+        expr = _block->TEMP(t);
+    }
+    _expr.code = _block->NEW(expr, 0);
     return false;
 }