Debugger: use debug break slot to break on call.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index e4b7cf34ee461dcfd8574f4e5c0e3d2a467867d8..3dea3bc18b16b07b790135ed02cd314faf4512e7 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -2269,6 +2269,7 @@ void FullCodeGenerator::VisitYield(Yield* expr) {
       CallIC(ic, TypeFeedbackId::None());
       __ mov(r1, r0);
       __ str(r1, MemOperand(sp, 2 * kPointerSize));
+      SetCallPosition(expr, 1);
       CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD);
       __ CallStub(&stub);
 
@@ -3103,7 +3104,7 @@ 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();
   __ mov(r3, Operand(SmiFromSlot(expr->CallFeedbackICSlot())));
   __ ldr(r1, MemOperand(sp, (arg_count + 1) * kPointerSize));
@@ -3238,7 +3239,7 @@ void FullCodeGenerator::VisitCall(Call* expr) {
     PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS);
 
     // Record source position for debugger.
-    SetExpressionPosition(expr);
+    SetCallPosition(expr, arg_count);
     CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
     __ ldr(r1, MemOperand(sp, (arg_count + 1) * kPointerSize));
     __ CallStub(&stub);
@@ -3310,7 +3311,7 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
 
   // Call the construct call builtin that handles allocation and
   // constructor invocation.
-  SetExpressionPosition(expr);
+  SetConstructCallPosition(expr);
 
   // Load function and argument count into r1 and r0.
   __ mov(r0, Operand(arg_count));
@@ -3353,7 +3354,7 @@ void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) {
 
   // Call the construct call builtin that handles allocation and
   // constructor invocation.
-  SetExpressionPosition(expr);
+  SetConstructCallPosition(expr);
 
   // Load function and argument count into r1 and r0.
   __ mov(r0, Operand(arg_count));
@@ -4732,7 +4733,7 @@ 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);
   __ ldr(r1, MemOperand(sp, (arg_count + 1) * kPointerSize));
   __ CallStub(&stub);