Fix break without identifier in labelled loop

Make sure to do leaveLoop() after enterLoop() when processing labelled
statements.

Fixes hang in ch12/12.8/S12.8_A3

Change-Id: Iee96ea515524e9ea879f7528dc43e552b1343020
Reviewed-by: Lars Knoll <lars.knoll@digia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/qv4codegen.cpp b/qv4codegen.cpp
index 190c0dcf63..5c95cd0158 100644
--- a/qv4codegen.cpp
+++ b/qv4codegen.cpp
@@ -2112,6 +2112,7 @@ bool Codegen::visit(LabelledStatement *ast)
         statement(ast->statement);
         _block->JUMP(breakBlock);
         _block = breakBlock;
+        leaveLoop();
     }
 
     return false;