Prevent segfault on undefined inline runtime call.

src/parser.cc

Index: src/parser.cc
diff --git a/src/parser.cc b/src/parser.cc
index b1e2a7c78aa7aa45e8b42baf325e202280e6ab62..cc27d098271d997f40b981ce59d6a8b79f7426ab 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -4804,6 +4804,13 @@ Expression* Parser::ParseV8Intrinsic(bool* ok) {
     return NULL;
   }
 
+  // Check that the function is defined if it's a inline runtime call.

[Michael Starzinger, 2012/08/13 19:04:54]

"[...] it's an inline [...]"

+  if (function == NULL && name->Get(0) == '_') {
+    ReportMessage("not_defined", Vector<Handle<String> >(&name, 1));
+    *ok = false;
+    return NULL;
+  }
+
   // We have a valid intrinsics call or a call to a builtin.
   return factory()->NewCallRuntime(name, function, args);
 }