Contribution of PowerPC port.

src/typing.cc

 // Copyright 2013 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.
 
 #include "src/typing.h"
 
 #include "src/frames.h"
 #include "src/frames-inl.h"
 #include "src/ostreams.h"
 #include "src/parser.h"  // for CompileTimeValue; TODO(rossberg): should move
@@ skipping 358 matching lines @@
   ExitEffects();
   then_effects.Alt(else_effects);
   store_.Seq(then_effects);
 
   NarrowType(expr, Bounds::Either(
       expr->then_expression()->bounds(),
       expr->else_expression()->bounds(), zone()));
 }
 
 
+// simulated build generates warning (fails compile) without pragma
+// when built using gcc 4.4.6 on intel linux
+#pragma GCC diagnostic ignored "-Wuninitialized"
 void AstTyper::VisitVariableProxy(VariableProxy* expr) {
   Variable* var = expr->var();
   if (var->IsStackAllocated()) {
     NarrowType(expr, store_.LookupBounds(variable_index(var)));
   }
 }
 
 
 void AstTyper::VisitLiteral(Literal* expr) {
   Type* type = Type::Constant(expr->value(), zone());
@@ skipping 382 matching lines @@
 void AstTyper::VisitModuleUrl(ModuleUrl* module) {
 }
 
 
 void AstTyper::VisitModuleStatement(ModuleStatement* stmt) {
   RECURSE(Visit(stmt->body()));
 }
 
 
 } }  // namespace v8::internal