Debugger: use debug break slot to break on call.

src/ia32/full-codegen-ia32.cc

Index: src/ia32/full-codegen-ia32.cc
diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc
index 132a949bd073100cdb68c4a23d323c5220330558..752b41ae2ce164fb632df4d8206ff9acde34f5a7 100644
--- a/src/ia32/full-codegen-ia32.cc
+++ b/src/ia32/full-codegen-ia32.cc
@@ -2182,6 +2182,7 @@ void FullCodeGenerator::VisitYield(Yield* expr) {
       CallIC(ic, TypeFeedbackId::None());
       __ mov(edi, eax);
       __ mov(Operand(esp, 2 * kPointerSize), edi);
+      SetCallPosition(expr, 1);
       CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD);
       __ CallStub(&stub);
 
@@ -2983,7 +2984,7 @@ void FullCodeGenerator::EmitCall(Call* expr, CallICState::CallType call_type) {
     VisitForStackValue(args->at(i));
   }
 
-  SetExpressionPosition(expr);
+  SetCallPosition(expr, arg_count);
   Handle<Code> ic = CodeFactory::CallIC(isolate(), arg_count, call_type).code();
   __ Move(edx, Immediate(SmiFromSlot(expr->CallFeedbackICSlot())));
   __ mov(edi, Operand(esp, (arg_count + 1) * kPointerSize));
@@ -3114,7 +3115,7 @@ void FullCodeGenerator::VisitCall(Call* expr) {
 
     PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS);
 
-    SetExpressionPosition(expr);
+    SetCallPosition(expr, arg_count);
     CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
     __ mov(edi, Operand(esp, (arg_count + 1) * kPointerSize));
     __ CallStub(&stub);
@@ -4651,7 +4652,7 @@ void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   int arg_count = args->length();
 
-  SetExpressionPosition(expr);
+  SetCallPosition(expr, arg_count);
   CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
   __ mov(edi, Operand(esp, (arg_count + 1) * kPointerSize));
   __ CallStub(&stub);