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Unified Diff: src/arm64/builtins-arm64.cc

Issue 1415783006: Revert of [runtime] Fix ES6 9.2.1 [[Call]] when encountering a classConstructor. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 1 month ago
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Index: src/arm64/builtins-arm64.cc
diff --git a/src/arm64/builtins-arm64.cc b/src/arm64/builtins-arm64.cc
index 3041af60cda4954c2d3cb32a0c4ca5adb8ba86a9..b98ecea4ed480ba0b4f2a16fdd75fcbcdb46022a 100644
--- a/src/arm64/builtins-arm64.cc
+++ b/src/arm64/builtins-arm64.cc
@@ -1544,34 +1544,19 @@
// -- x0 : the number of arguments (not including the receiver)
// -- x1 : the function to call (checked to be a JSFunction)
// -----------------------------------
- // See ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList)
Label convert, convert_global_proxy, convert_to_object, done_convert;
__ AssertFunction(x1);
-
- __ Ldr(x2, FieldMemOperand(x1, JSFunction::kSharedFunctionInfoOffset));
- {
- Label non_class_constructor;
- // Check whether the current function is a classConstructor
- __ Ldr(w3, FieldMemOperand(x2, SharedFunctionInfo::kCompilerHintsOffset));
- __ TestAndBranchIfAllClear(
- w3, (1 << SharedFunctionInfo::kIsDefaultConstructor) |
- (1 << SharedFunctionInfo::kIsSubclassConstructor) |
- (1 << SharedFunctionInfo::kIsBaseConstructor),
- &non_class_constructor);
- // Step: 2, If we call a classConstructor Function throw a TypeError.
- {
- FrameScope frame(masm, StackFrame::INTERNAL);
- __ CallRuntime(Runtime::kThrowConstructorNonCallableError, 0);
- }
- __ bind(&non_class_constructor);
- }
-
+ // TODO(bmeurer): Throw a TypeError if function's [[FunctionKind]] internal
+ // slot is "classConstructor".
// Enter the context of the function; ToObject has to run in the function
// context, and we also need to take the global proxy from the function
// context in case of conversion.
+ // See ES6 section 9.2.1 [[Call]] ( thisArgument, argumentsList)
__ Ldr(cp, FieldMemOperand(x1, JSFunction::kContextOffset));
+ __ Ldr(x2, FieldMemOperand(x1, JSFunction::kSharedFunctionInfoOffset));
// We need to convert the receiver for non-native sloppy mode functions.
+ __ Ldr(w3, FieldMemOperand(x2, SharedFunctionInfo::kCompilerHintsOffset));
__ TestAndBranchIfAnySet(w3,
(1 << SharedFunctionInfo::kNative) |
(1 << SharedFunctionInfo::kStrictModeFunction),
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