Fix/re-enable test.

llvm-svn: 70800

clang/lib/Sema/SemaExpr.cpp

@@ -4734,7 +4734,7 @@ Sema::OwningExprResult Sema::ActOnBuiltinOffsetOf(Scope *S,
       << SourceRange(CompPtr[1].LocStart, CompPtr[NumComponents-1].LocEnd);
 
   if (!Dependent) {
-    bool DidWarnAboutNonPOD;
+    bool DidWarnAboutNonPOD = false;
     
     // FIXME: Dependent case loses a lot of information here. And probably
     // leaks like a sieve.

clang/test/SemaCXX/offsetof.cpp

@@ -1,6 +1,4 @@
-// FIXME: This test fails on 32-bit platforms? Investigate.
-
-// RUNX: clang-cc -fsyntax-only -verify %s -Winvalid-offsetof
+// RUN: clang-cc -fsyntax-only -verify %s -Winvalid-offsetof
 
 struct NonPOD {
   virtual void f();