1 files changed, 24 insertions, 4 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGOperations.cpp b/Source/JavaScriptCore/dfg/DFGOperations.cpp
index 06a1cf883..b056a3c6d 100644
--- a/Source/JavaScriptCore/dfg/DFGOperations.cpp
+++ b/Source/JavaScriptCore/dfg/DFGOperations.cpp
@@ -32,14 +32,15 @@
 #include "DFGRepatch.h"
 #include "HostCallReturnValue.h"
 #include "GetterSetter.h"
-#include <wtf/InlineASM.h>
 #include "Interpreter.h"
+#include "JIT.h"
 #include "JITExceptions.h"
 #include "JSActivation.h"
 #include "JSGlobalData.h"
 #include "JSStaticScopeObject.h"
 #include "NameInstance.h"
 #include "Operations.h"
+#include <wtf/InlineASM.h>
 
 #if ENABLE(DFG_JIT)
 
@@ -968,13 +969,11 @@ EncodedJSValue DFG_OPERATION operationResolveBaseStrictPut(ExecState* exec, Iden
     return JSValue::encode(base);
 }
 
-EncodedJSValue DFG_OPERATION operationResolveGlobal(ExecState* exec, GlobalResolveInfo* resolveInfo, Identifier* propertyName)
+EncodedJSValue DFG_OPERATION operationResolveGlobal(ExecState* exec, GlobalResolveInfo* resolveInfo, JSGlobalObject* globalObject, Identifier* propertyName)
 {
     JSGlobalData* globalData = &exec->globalData();
     NativeCallFrameTracer tracer(globalData, exec);
     
-    JSGlobalObject* globalObject = exec->lexicalGlobalObject();
-
     PropertySlot slot(globalObject);
     if (globalObject->getPropertySlot(exec, *propertyName, slot)) {
         JSValue result = slot.getValue(exec, *propertyName);
@@ -1253,6 +1252,27 @@ void DFG_OPERATION debugOperationPrintSpeculationFailure(ExecState* exec, void*
 }
 #endif
 
+extern "C" void DFG_OPERATION triggerReoptimizationNow(CodeBlock* codeBlock)
+{
+#if ENABLE(JIT_VERBOSE_OSR)
+    dataLog("%p: Entered reoptimize\n", codeBlock);
+#endif
+    // We must be called with the baseline code block.
+    ASSERT(JITCode::isBaselineCode(codeBlock->getJITType()));
+
+    // If I am my own replacement, then reoptimization has already been triggered.
+    // This can happen in recursive functions.
+    if (codeBlock->replacement() == codeBlock)
+        return;
+
+    // Otherwise, the replacement must be optimized code. Use this as an opportunity
+    // to check our logic.
+    ASSERT(codeBlock->hasOptimizedReplacement());
+    ASSERT(codeBlock->replacement()->getJITType() == JITCode::DFGJIT);
+
+    codeBlock->reoptimize();
+}
+
 } // extern "C"
 } } // namespace JSC::DFG