Keep a canonical list of shared function infos.

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 f5b90b60bd18e3f18919af3f35bc7a94c4290ccf..6758703dccb4c8f05f26d1cd62ae7fb0e8b0e313 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -931,7 +931,7 @@ void FullCodeGenerator::VisitFunctionDeclaration(
     case Variable::UNALLOCATED: {
       globals_->Add(variable->name(), zone());
       Handle<SharedFunctionInfo> function =
-          Compiler::BuildFunctionInfo(declaration->fun(), script(), info_);
+          Compiler::GetSharedFunctionInfo(declaration->fun(), script(), info_);
       // Check for stack-overflow exception.
       if (function.is_null()) return SetStackOverflow();
       globals_->Add(function, zone());