Version 3.20.1

Implemented WeakMap.prototype.clear function. (issue 2753)

Ensure CheckInitialized is present independent of define. (Chromium issue 255779)

Performance and stability improvements on all platforms.

git-svn-id: http://v8.googlecode.com/svn/trunk@15448 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/frames.cc b/src/frames.cc
index edd5ddd..e883c98 100644
--- a/src/frames.cc
+++ b/src/frames.cc
@@ -423,7 +423,7 @@
 
 
 Address StackFrame::UnpaddedFP() const {
-#if defined(V8_TARGET_ARCH_IA32)
+#if V8_TARGET_ARCH_IA32
   if (!is_optimized()) return fp();
   int32_t alignment_state = Memory::int32_at(
     fp() + JavaScriptFrameConstants::kDynamicAlignmentStateOffset);