PPC/s390: [debugger] remove debugger statement support from FCG/CS.

src/ppc/macro-assembler-ppc.cc

Index: src/ppc/macro-assembler-ppc.cc
diff --git a/src/ppc/macro-assembler-ppc.cc b/src/ppc/macro-assembler-ppc.cc
index deb841dfe7d1953e86b02e2d623d02fca83afa66..f2aa2e06f4e49161f84ef1dc83fa98f1f49e1c5c 100644
--- a/src/ppc/macro-assembler-ppc.cc
+++ b/src/ppc/macro-assembler-ppc.cc
@@ -1553,15 +1553,6 @@ void MacroAssembler::IsObjectNameType(Register object, Register scratch,
 }
 
 
-void MacroAssembler::DebugBreak() {
-  li(r3, Operand::Zero());
-  mov(r4,
-      Operand(ExternalReference(Runtime::kHandleDebuggerStatement, isolate())));
-  CEntryStub ces(isolate(), 1);
-  DCHECK(AllowThisStubCall(&ces));
-  Call(ces.GetCode(), RelocInfo::DEBUGGER_STATEMENT);
-}
-
 void MacroAssembler::MaybeDropFrames() {
   // Check whether we need to drop frames to restart a function on the stack.
   ExternalReference restart_fp =