[runtime] Fix ES6 9.2.1 [[Call]] when encountering a classConstructor.

src/x64/macro-assembler-x64.cc

Index: src/x64/macro-assembler-x64.cc
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index 48ad4c347e7d715f2bdf35b07e4777638738bed0..d461f8caecfabce8ea16f0b318ee80e6b6e9891b 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -3822,6 +3822,43 @@ void MacroAssembler::DebugBreak() {
 }
 
 
+void MacroAssembler::InvokeFunction(Register function,
+                                    const ParameterCount& actual,
+                                    InvokeFlag flag,
+                                    const CallWrapper& call_wrapper) {
+  movp(rdx, FieldOperand(function, JSFunction::kSharedFunctionInfoOffset));
+  LoadSharedFunctionInfoSpecialField(
+      rbx, rdx, SharedFunctionInfo::kFormalParameterCountOffset);
+
+  ParameterCount expected(rbx);
+  InvokeFunction(function, expected, actual, flag, call_wrapper);
+}
+
+
+void MacroAssembler::InvokeFunction(Handle<JSFunction> function,
+                                    const ParameterCount& expected,
+                                    const ParameterCount& actual,
+                                    InvokeFlag flag,
+                                    const CallWrapper& call_wrapper) {
+  Move(rdi, function);
+  InvokeFunction(rdi, expected, actual, flag, call_wrapper);
+}
+
+
+void MacroAssembler::InvokeFunction(Register function,
+                                    const ParameterCount& expected,
+                                    const ParameterCount& actual,
+                                    InvokeFlag flag,
+                                    const CallWrapper& call_wrapper) {
+  DCHECK(function.is(rdi));
+  movp(rsi, FieldOperand(function, JSFunction::kContextOffset));
+  // Advances rdx to the end of the Code object header, to the start of
+  // the executable code.
+  movp(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset));
+  InvokeCode(rdx, expected, actual, flag, call_wrapper);
+}
+
+
 void MacroAssembler::InvokeCode(Register code,
                                 const ParameterCount& expected,
                                 const ParameterCount& actual,
@@ -3855,55 +3892,6 @@ void MacroAssembler::InvokeCode(Register code,
 }
 
 
-void MacroAssembler::InvokeFunction(Register function,
-                                    const ParameterCount& actual,
-                                    InvokeFlag flag,
-                                    const CallWrapper& call_wrapper) {
-  // You can't call a function without a valid frame.
-  DCHECK(flag == JUMP_FUNCTION || has_frame());
-
-  DCHECK(function.is(rdi));
-  movp(rdx, FieldOperand(function, JSFunction::kSharedFunctionInfoOffset));
-  movp(rsi, FieldOperand(function, JSFunction::kContextOffset));
-  LoadSharedFunctionInfoSpecialField(rbx, rdx,
-      SharedFunctionInfo::kFormalParameterCountOffset);
-  // Advances rdx to the end of the Code object header, to the start of
-  // the executable code.
-  movp(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset));
-
-  ParameterCount expected(rbx);
-  InvokeCode(rdx, expected, actual, flag, call_wrapper);
-}
-
-
-void MacroAssembler::InvokeFunction(Register function,
-                                    const ParameterCount& expected,
-                                    const ParameterCount& actual,
-                                    InvokeFlag flag,
-                                    const CallWrapper& call_wrapper) {
-  // You can't call a function without a valid frame.
-  DCHECK(flag == JUMP_FUNCTION || has_frame());
-
-  DCHECK(function.is(rdi));
-  movp(rsi, FieldOperand(function, JSFunction::kContextOffset));
-  // Advances rdx to the end of the Code object header, to the start of
-  // the executable code.
-  movp(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset));
-
-  InvokeCode(rdx, expected, actual, flag, call_wrapper);
-}
-
-
-void MacroAssembler::InvokeFunction(Handle<JSFunction> function,
-                                    const ParameterCount& expected,
-                                    const ParameterCount& actual,
-                                    InvokeFlag flag,
-                                    const CallWrapper& call_wrapper) {
-  Move(rdi, function);
-  InvokeFunction(rdi, expected, actual, flag, call_wrapper);
-}
-
-
 void MacroAssembler::InvokePrologue(const ParameterCount& expected,
                                     const ParameterCount& actual,
                                     Handle<Code> code_constant,