Fix Value::isGCThing footgun, stop returning true for NullValue

1 files changed, 6 insertions, 6 deletions

diff --git a/js/src/jit/arm/MacroAssembler-arm.cpp b/js/src/jit/arm/MacroAssembler-arm.cpp
index c6e627db6..d40578514 100644
--- a/js/src/jit/arm/MacroAssembler-arm.cpp
+++ b/js/src/jit/arm/MacroAssembler-arm.cpp
@@ -3286,8 +3286,8 @@ void
 MacroAssemblerARMCompat::moveValue(const Value& val, Register type, Register data)
 {
     ma_mov(Imm32(val.toNunboxTag()), type);
-    if (val.isMarkable())
-        ma_mov(ImmGCPtr(val.toMarkablePointer()), data);
+    if (val.isGCThing())
+        ma_mov(ImmGCPtr(val.toGCThing()), data);
     else
         ma_mov(Imm32(val.toNunboxPayload()), data);
 }
@@ -3484,8 +3484,8 @@ MacroAssemblerARMCompat::storePayload(const Value& val, const BaseIndex& dest)
     ScratchRegisterScope scratch(asMasm());
     SecondScratchRegisterScope scratch2(asMasm());
 
-    if (val.isMarkable())
-        ma_mov(ImmGCPtr(val.toMarkablePointer()), scratch);
+    if (val.isGCThing())
+        ma_mov(ImmGCPtr(val.toGCThing()), scratch);
     else
         ma_mov(Imm32(val.toNunboxPayload()), scratch);
 
@@ -5314,8 +5314,8 @@ MacroAssembler::branchTestValue(Condition cond, const ValueOperand& lhs,
     // equal, short circuit false (NotEqual).
     ScratchRegisterScope scratch(*this);
 
-    if (rhs.isMarkable())
-        ma_cmp(lhs.payloadReg(), ImmGCPtr(rhs.toMarkablePointer()), scratch);
+    if (rhs.isGCThing())
+        ma_cmp(lhs.payloadReg(), ImmGCPtr(rhs.toGCThing()), scratch);
     else
         ma_cmp(lhs.payloadReg(), Imm32(rhs.toNunboxPayload()), scratch);
     ma_cmp(lhs.typeReg(), Imm32(rhs.toNunboxTag()), scratch, Equal);