Parse eagerly inside block scopes.

src/scopes.cc

Index: src/scopes.cc
diff --git a/src/scopes.cc b/src/scopes.cc
index 61a75ab16fcf408a0ba79355f4e43d59979564c8..6ec8923721afe8acb8c60457e9c4d19329c72e0d 100644
--- a/src/scopes.cc
+++ b/src/scopes.cc
@@ -734,6 +734,17 @@ bool Scope::HasLazyCompilableOuterContext() const {
 }
 
 
+bool Scope::AllowsLazyParsing() const {
+  // If we are inside a block scope, we must parse eagerly to find out how
+  // to allocate variables on the block scope. At this point, declarations may
+  // not have yet been parsed.
+  for (const Scope* scope = this; scope != NULL; scope = scope->outer_scope_) {
+    if (scope->is_block_scope()) return false;
+  }
+  return AllowsLazyCompilation();
+}
+
+
 bool Scope::AllowsLazyCompilation() const {
   return !force_eager_compilation_ && HasLazyCompilableOuterContext();
 }