[debugger] fix step-next for tail calls.

src/mips/assembler-mips.cc

Index: src/mips/assembler-mips.cc
diff --git a/src/mips/assembler-mips.cc b/src/mips/assembler-mips.cc
index 2c524daf3badcd416c5f5fe04d6f8cb17c368217..bfa232892a941fc3f57f4b768f650cfb93997ff9 100644
--- a/src/mips/assembler-mips.cc
+++ b/src/mips/assembler-mips.cc
@@ -2966,7 +2966,7 @@ void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) {
   // We do not try to reuse pool constants.
   RelocInfo rinfo(isolate(), pc_, rmode, data, NULL);
   if (rmode >= RelocInfo::COMMENT &&
-      rmode <= RelocInfo::DEBUG_BREAK_SLOT_AT_CALL) {
+      rmode <= RelocInfo::DEBUG_BREAK_SLOT_AT_TAIL_CALL) {
     // Adjust code for new modes.
     DCHECK(RelocInfo::IsDebugBreakSlot(rmode)
            || RelocInfo::IsComment(rmode)