david conrad points out that {|} in inline assembly on arm are not asm
variants.  This fixes neon inline asm which my patch for PR6780 broke.

llvm-svn: 102181
diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 832c91c..3d5048c 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -1396,6 +1396,10 @@
     SizeType = UnsignedInt;
     PtrDiffType = SignedInt;
 
+    // {} in inline assembly are neon specifiers, not assembly variant
+    // specifiers.
+    NoAsmVariants = true;
+    
     // FIXME: Should we just treat this as a feature?
     IsThumb = getTriple().getArchName().startswith("thumb");
     if (IsThumb) {