clang -cc1: Add a -fno-bitfield-type-align option, for my own testing purposes.

llvm-svn: 101370
diff --git a/clang/lib/Basic/TargetInfo.cpp b/clang/lib/Basic/TargetInfo.cpp
index e03d5ac..b259fac 100644
--- a/clang/lib/Basic/TargetInfo.cpp
+++ b/clang/lib/Basic/TargetInfo.cpp
@@ -142,9 +142,10 @@
 /// Apply changes to the target information with respect to certain
 /// language options which change the target configuration.
 void TargetInfo::setForcedLangOptions(LangOptions &Opts) {
-  if (Opts.ShortWChar) {
+  if (Opts.NoBitFieldTypeAlign)
+    UseBitFieldTypeAlignment = false;
+  if (Opts.ShortWChar)
     WCharType = UnsignedShort;
-  }
 }
 
 //===----------------------------------------------------------------------===//