X87: Debugger: record reloc info for debug break slot immediate before the slot.

src/x87/debug-x87.cc

Index: src/x87/debug-x87.cc
diff --git a/src/x87/debug-x87.cc b/src/x87/debug-x87.cc
index c7ef01ee6fa00281b9c8f34c2f413fedbd11a7f9..3b1800f1607e17c16d1dd8a47f0006afc127934d 100644
--- a/src/x87/debug-x87.cc
+++ b/src/x87/debug-x87.cc
@@ -157,10 +157,13 @@ void DebugCodegen::GenerateReturnDebugBreak(MacroAssembler* masm) {
 }
 
 
-void DebugCodegen::GenerateSlot(MacroAssembler* masm) {
+void DebugCodegen::GenerateSlot(MacroAssembler* masm,
+                                DebugCodegen::SlotLocation location,
+                                int call_argc) {
   // Generate enough nop's to make space for a call instruction.
   Label check_codesize;
   __ bind(&check_codesize);
+  RecordRelocInfo(masm, location, call_argc);
   __ Nop(Assembler::kDebugBreakSlotLength);
   DCHECK_EQ(Assembler::kDebugBreakSlotLength,
             masm->SizeOfCodeGeneratedSince(&check_codesize));