Fix calls of strict mode function with an implicit receiver.

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index b83761f9f0c77810078ee8c3dc895d9c21192508..317a14c3ad7091f99aeec3f9b922b33cd8ad14d7 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -1532,6 +1532,23 @@ MaybeObject* MacroAssembler::TryJumpToExternalReference(
 }
 
 
+void MacroAssembler::SetCallKind(Register dst, CallKind call_kind) {
+  // This macro takes the dst register to make the code more readable
+  // at the call sites. However, the dst register has to be ecx to
+  // follow the calling convention which requires the call type to be
+  // in ecx.
+  ASSERT(dst.is(ecx));
+  if (call_kind == CALL_AS_FUNCTION) {
+    // Set to some non-zero smi by updating the least significant
+    // byte.
+    mov_b(Operand(dst), 1 << kSmiTagSize);
+  } else {
+    // Set to smi zero by clearing the register.
+    xor_(dst, Operand(dst));
+  }
+}
+
+
 void MacroAssembler::InvokePrologue(const ParameterCount& expected,
                                     const ParameterCount& actual,
                                     Handle<Code> code_constant,
@@ -1539,7 +1556,8 @@ void MacroAssembler::InvokePrologue(const ParameterCount& expected,
                                     Label* done,
                                     InvokeFlag flag,
                                     Label::Distance done_near,
-                                    const CallWrapper& call_wrapper) {
+                                    const CallWrapper& call_wrapper,
+                                    CallKind call_kind) {
   bool definitely_matches = false;
   Label invoke;
   if (expected.is_immediate()) {
@@ -1590,10 +1608,12 @@ void MacroAssembler::InvokePrologue(const ParameterCount& expected,
 
     if (flag == CALL_FUNCTION) {
       call_wrapper.BeforeCall(CallSize(adaptor, RelocInfo::CODE_TARGET));
+      SetCallKind(ecx, call_kind);
       call(adaptor, RelocInfo::CODE_TARGET);
       call_wrapper.AfterCall();
       jmp(done, done_near);
     } else {
+      SetCallKind(ecx, call_kind);
       jmp(adaptor, RelocInfo::CODE_TARGET);
     }
     bind(&invoke);
@@ -1605,16 +1625,20 @@ void MacroAssembler::InvokeCode(const Operand& code,
                                 const ParameterCount& expected,
                                 const ParameterCount& actual,
                                 InvokeFlag flag,
-                                const CallWrapper& call_wrapper) {
+                                const CallWrapper& call_wrapper,
+                                CallKind call_kind) {
   Label done;
   InvokePrologue(expected, actual, Handle<Code>::null(), code,
-                 &done, flag, Label::kNear, call_wrapper);
+                 &done, flag, Label::kNear, call_wrapper,
+                 call_kind);
   if (flag == CALL_FUNCTION) {
     call_wrapper.BeforeCall(CallSize(code));
+    SetCallKind(ecx, call_kind);
     call(code);
     call_wrapper.AfterCall();
   } else {
     ASSERT(flag == JUMP_FUNCTION);
+    SetCallKind(ecx, call_kind);
     jmp(code);
   }
   bind(&done);
@@ -1626,17 +1650,20 @@ void MacroAssembler::InvokeCode(Handle<Code> code,
                                 const ParameterCount& actual,
                                 RelocInfo::Mode rmode,
                                 InvokeFlag flag,
-                                const CallWrapper& call_wrapper) {
+                                const CallWrapper& call_wrapper,
+                                CallKind call_kind) {
   Label done;
   Operand dummy(eax);
   InvokePrologue(expected, actual, code, dummy, &done, flag, Label::kNear,
-                 call_wrapper);
+                 call_wrapper, call_kind);
   if (flag == CALL_FUNCTION) {
     call_wrapper.BeforeCall(CallSize(code, rmode));
+    SetCallKind(ecx, call_kind);
     call(code, rmode);
     call_wrapper.AfterCall();
   } else {
     ASSERT(flag == JUMP_FUNCTION);
+    SetCallKind(ecx, call_kind);
     jmp(code, rmode);
   }
   bind(&done);
@@ -1646,7 +1673,8 @@ void MacroAssembler::InvokeCode(Handle<Code> code,
 void MacroAssembler::InvokeFunction(Register fun,
                                     const ParameterCount& actual,
                                     InvokeFlag flag,
-                                    const CallWrapper& call_wrapper) {
+                                    const CallWrapper& call_wrapper,
+                                    CallKind call_kind) {
   ASSERT(fun.is(edi));
   mov(edx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
   mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
@@ -1655,7 +1683,7 @@ void MacroAssembler::InvokeFunction(Register fun,
 
   ParameterCount expected(ebx);
   InvokeCode(FieldOperand(edi, JSFunction::kCodeEntryOffset),
-             expected, actual, flag, call_wrapper);
+             expected, actual, flag, call_wrapper, call_kind);
 }