[turbofan] Fix bailout for script context creation.

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

Index: src/full-codegen/ppc/full-codegen-ppc.cc
diff --git a/src/full-codegen/ppc/full-codegen-ppc.cc b/src/full-codegen/ppc/full-codegen-ppc.cc
index 5dffdeb748baa48d76d026bcadbe37ca6572e4db..4144250e216374ecc80e485fdaf94e8c8aa84d47 100644
--- a/src/full-codegen/ppc/full-codegen-ppc.cc
+++ b/src/full-codegen/ppc/full-codegen-ppc.cc
@@ -196,6 +196,7 @@ void FullCodeGenerator::Generate() {
       __ push(r4);
       __ Push(info->scope()->GetScopeInfo(info->isolate()));
       __ CallRuntime(Runtime::kNewScriptContext, 2);
+      PrepareForBailoutForId(BailoutId::ScriptContext(), TOS_REG);
     } else if (slots <= FastNewContextStub::kMaximumSlots) {
       FastNewContextStub stub(isolate(), slots);
       __ CallStub(&stub);
@@ -237,8 +238,8 @@ void FullCodeGenerator::Generate() {
       }
     }
   }
+  PrepareForBailoutForId(BailoutId::FunctionContext(), NO_REGISTERS);
 
-  PrepareForBailoutForId(BailoutId::Prologue(), NO_REGISTERS);
   // Function register is trashed in case we bailout here. But since that
   // could happen only when we allocate a context the value of
   // |function_in_register_r4| is correct.