PPC: [builtins] Remove the weird STACK_OVERFLOW builtin.

src/full-codegen/ppc/full-codegen-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/compiler.h"
@@ skipping 142 matching lines @@
     int locals_count = info->scope()->num_stack_slots();
     // Generators allocate locals, if any, in context slots.
     DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0);
     if (locals_count > 0) {
       if (locals_count >= 128) {
         Label ok;
         __ Add(ip, sp, -(locals_count * kPointerSize), r0);
         __ LoadRoot(r5, Heap::kRealStackLimitRootIndex);
         __ cmpl(ip, r5);
         __ bc_short(ge, &ok);
-        __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION);
+        __ CallRuntime(Runtime::kThrowStackOverflow, 0);
         __ bind(&ok);
       }
       __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
       int kMaxPushes = FLAG_optimize_for_size ? 4 : 32;
       if (locals_count >= kMaxPushes) {
         int loop_iterations = locals_count / kMaxPushes;
         __ mov(r5, Operand(loop_iterations));
         __ mtctr(r5);
         Label loop_header;
         __ bind(&loop_header);
@@ skipping 5136 matching lines @@
     return ON_STACK_REPLACEMENT;
   }
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_PPC