Keep a canonical list of shared function infos.

src/mips/full-codegen-mips.cc

Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index a44e02dee47565c1ca95cd54f24bd07d6668fc41..ac0fa3c14941ae0b010dcfcd89fa91859b0fe11d 100644
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -923,7 +923,7 @@ 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());