Subzero: Remove the GlobalContext::GlobalDeclarations vector.

src/IceConverter.cpp

Index: src/IceConverter.cpp
diff --git a/src/IceConverter.cpp b/src/IceConverter.cpp
index 72f5a5a9d78f46a1fa952165f24ab87eb17a3231..325fda892408a7a1d6547faeebe81dcd4e4b3a60 100644
--- a/src/IceConverter.cpp
+++ b/src/IceConverter.cpp
@@ -851,7 +851,7 @@ void Converter::installGlobalDeclarations(Module *Mod) {
           Converter.convertToIceType(FuncType->getParamType(I)));
     }
     FunctionDeclaration *IceFunc = FunctionDeclaration::create(
-        Ctx, Signature, Func.getCallingConv(), Func.getLinkage(), Func.empty());
+        Signature, Func.getCallingConv(), Func.getLinkage(), Func.empty());
     IceFunc->setName(Func.getName());
     GlobalDeclarationMap[&Func] = IceFunc;
   }
@@ -860,7 +860,7 @@ void Converter::installGlobalDeclarations(Module *Mod) {
                                      E = Mod->global_end();
        I != E; ++I) {
     const GlobalVariable *GV = I;
-    VariableDeclaration *Var = VariableDeclaration::create(Ctx);
+    VariableDeclaration *Var = VariableDeclaration::create();
     Var->setName(GV->getName());
     Var->setAlignment(GV->getAlignment());
     Var->setIsConstant(GV->isConstant());