Imported WebKit commit 26cd9bd8ab0471ffe987c9b60368f63dc0f1f31b (http://svn.webkit.org/repository/webkit/trunk@121325)

New snapshot with more Windows build fixes

1 files changed, 8 insertions, 4 deletions

diff --git a/Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp b/Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp
index 75611972e..cdb0b639a 100644
--- a/Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp
+++ b/Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp
@@ -1606,15 +1606,19 @@ bool ByteCodeParser::handleConstantInternalFunction(
     // we know about is small enough, that having just a linear cascade of if statements
     // is good enough.
     
-    UNUSED_PARAM(registerOffset); // Remove this once we do more things to the arguments.
     UNUSED_PARAM(prediction); // Remove this once we do more things.
     UNUSED_PARAM(kind); // Remove this once we do more things.
     
     if (function->classInfo() == &ArrayConstructor::s_info) {
-        // We could handle this but don't for now.
-        if (argumentCountIncludingThis != 1)
-            return false;
+        if (argumentCountIncludingThis == 2) {
+            setIntrinsicResult(
+                usesResult, resultOperand,
+                addToGraph(NewArrayWithSize, get(registerOffset + argumentToOperand(1))));
+            return true;
+        }
         
+        for (int i = 1; i < argumentCountIncludingThis; ++i)
+            addVarArgChild(get(registerOffset + argumentToOperand(i)));
         setIntrinsicResult(
             usesResult, resultOperand,
             addToGraph(Node::VarArg, NewArray, OpInfo(0), OpInfo(0)));