Showing the data overlay in OpenStreetMap doesn't work, zooming partially broken
https://bugs.webkit.org/show_bug.cgi?id=71505

Source/JavaScriptCore:

Reviewed by Oliver Hunt.

The bytecode generator was assuming that call_varargs never reuses the base register
(i.e. the function being called) for the result. This is no longer true.

* bytecompiler/BytecodeGenerator.cpp:
(JSC::BytecodeGenerator::emitCallVarargs):
* bytecompiler/BytecodeGenerator.h:
* bytecompiler/NodesCodegen.cpp:
(JSC::ApplyFunctionCallDotNode::emitBytecode):

LayoutTests:

Reviewed by Oliver Hunt.

* fast/js/function-dot-apply-replace-base-expected.txt: Added.
* fast/js/function-dot-apply-replace-base.html: Added.
* fast/js/script-tests/cross-global-object-inline-global-var.js:
(done):
* fast/js/script-tests/function-dot-apply-replace-base.js: Added.
(foo):
(bar):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@100879 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp b/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp
index fe8efcf..0e294cb 100644
--- a/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp
+++ b/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp
@@ -496,6 +496,9 @@
             }
         } else {
             ASSERT(m_args->m_listNode && m_args->m_listNode->m_next);
+            RefPtr<RegisterID> profileHookRegister;
+            if (generator.shouldEmitProfileHooks())
+                profileHookRegister = generator.newTemporary();
             RefPtr<RegisterID> thisRegister = generator.emitNode(m_args->m_listNode->m_expr);
             RefPtr<RegisterID> argsRegister;
             ArgumentListNode* args = m_args->m_listNode->m_next;
@@ -509,7 +512,7 @@
             while ((args = args->m_next))
                 generator.emitNode(args->m_expr);
 
-            generator.emitCallVarargs(finalDestinationOrIgnored.get(), base.get(), thisRegister.get(), argsRegister.get(), generator.newTemporary(), divot(), startOffset(), endOffset());
+            generator.emitCallVarargs(finalDestinationOrIgnored.get(), base.get(), thisRegister.get(), argsRegister.get(), generator.newTemporary(), profileHookRegister.get(), divot(), startOffset(), endOffset());
         }
         generator.emitJump(end.get());
     }