Add ability to test parsing of bitcode records in Subzero.

src/IceClFlags.h

Index: src/IceClFlags.h
diff --git a/src/IceClFlags.h b/src/IceClFlags.h
index 68255fba9366c2db4a1ec60d4dec8346b1e47b24..b444dc05c1964d210523ea9442894bfd14ff1ae0 100644
--- a/src/IceClFlags.h
+++ b/src/IceClFlags.h
@@ -27,6 +27,7 @@ public:
         UseSandboxing(false), PhiEdgeSplit(false), DecorateAsm(false),
         DumpStats(false), AllowUninitializedGlobals(false),
         TimeEachFunction(false), DisableIRGeneration(false),
+        AllowErrorRecovery(false), GenerateUnitTestMessages(false),
         DefaultGlobalPrefix(""), DefaultFunctionPrefix(""), TimingFocusOn(""),
         VerboseFocusOn(""), TranslateOnly("") {}
   bool DisableInternal;
@@ -43,6 +44,8 @@ public:
   bool AllowUninitializedGlobals;
   bool TimeEachFunction;
   bool DisableIRGeneration;
+  bool AllowErrorRecovery;
+  bool GenerateUnitTestMessages;
   IceString DefaultGlobalPrefix;
   IceString DefaultFunctionPrefix;
   IceString TimingFocusOn;