Require an isolate parameter for most external reference creation to

src/x64/debug-x64.cc

Index: src/x64/debug-x64.cc
diff --git a/src/x64/debug-x64.cc b/src/x64/debug-x64.cc
index 19175bcedfa11ae5387ce5d6ca211c4a4b4dc1a0..0398465146719f9fff0e18a344434a7f2326bb06 100644
--- a/src/x64/debug-x64.cc
+++ b/src/x64/debug-x64.cc
@@ -129,7 +129,7 @@ static void Generate_DebugBreakCallHelper(MacroAssembler* masm,
   __ RecordComment("// Calling from debug break to runtime - come in - over");
 #endif
   __ Set(rax, 0);  // No arguments (argc == 0).
-  __ movq(rbx, ExternalReference::debug_break());
+  __ movq(rbx, ExternalReference::debug_break(masm->isolate()));
 
   CEntryStub ceb(1);
   __ CallStub(&ceb);
@@ -168,7 +168,7 @@ static void Generate_DebugBreakCallHelper(MacroAssembler* masm,
   // jumping to the target address intended by the caller and that was
   // overwritten by the address of DebugBreakXXX.
   ExternalReference after_break_target =
-      ExternalReference(Debug_Address::AfterBreakTarget());
+      ExternalReference(Debug_Address::AfterBreakTarget(), masm->isolate());
   __ movq(kScratchRegister, after_break_target);
   __ jmp(Operand(kScratchRegister, 0));
 }
@@ -284,7 +284,8 @@ void Debug::GeneratePlainReturnLiveEdit(MacroAssembler* masm) {
 
 void Debug::GenerateFrameDropperLiveEdit(MacroAssembler* masm) {
   ExternalReference restarter_frame_function_slot =
-      ExternalReference(Debug_Address::RestarterFrameFunctionPointer());
+      ExternalReference(Debug_Address::RestarterFrameFunctionPointer(),
+                        masm->isolate());
   __ movq(rax, restarter_frame_function_slot);
   __ movq(Operand(rax, 0), Immediate(0));