ARM64: Access has_pending_message_ correctly.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index ba5053f95ab8e1618f70b104bb9aa884f1abb2a8..95f1050a09e64cb418b8719667274417848c0ef2 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -4766,7 +4766,8 @@ void FullCodeGenerator::EnterFinallyBlock() {
   ExternalReference has_pending_message =
       ExternalReference::address_of_has_pending_message(isolate());
   __ mov(ip, Operand(has_pending_message));
-  __ ldr(r1, MemOperand(ip));
+  STATIC_ASSERT(sizeof(bool) == 1);   // NOLINT(runtime/sizeof)
+  __ ldrb(r1, MemOperand(ip));
   __ SmiTag(r1);
   __ push(r1);
 
@@ -4792,7 +4793,8 @@ void FullCodeGenerator::ExitFinallyBlock() {
   ExternalReference has_pending_message =
       ExternalReference::address_of_has_pending_message(isolate());
   __ mov(ip, Operand(has_pending_message));
-  __ str(r1, MemOperand(ip));
+  STATIC_ASSERT(sizeof(bool) == 1);   // NOLINT(runtime/sizeof)
+  __ strb(r1, MemOperand(ip));
 
   __ pop(r1);
   ExternalReference pending_message_obj =