[NFC] fix trivial typos in comments

"a a"->"a"

llvm-svn: 325753

clang/include/clang/Sema/ScopeInfo.h

@@ -799,7 +799,7 @@ public:
   ///  Potentially capturable variables of a nested lambda that might need 
   ///   to be captured by the lambda are housed here.  
   ///  This is specifically useful for generic lambdas or
-  ///  lambdas within a a potentially evaluated-if-used context.
+  ///  lambdas within a potentially evaluated-if-used context.
   ///  If an enclosing variable is named in an expression of a lambda nested
   ///  within a generic lambda, we don't always know know whether the variable 
   ///  will truly be odr-used (i.e. need to be captured) by that nested lambda,

clang/test/SemaCXX/ms-uuid.cpp

@@ -23,7 +23,7 @@ namespace {
 // clang-cl implements the following simpler (but largely compatible) behavior
 // instead:
 // * [] and __declspec uuids have the same behavior.
-// * If there are several uuids on a a class (no matter if on the same decl or
+// * If there are several uuids on a class (no matter if on the same decl or
 //   on several decls), it is an error if they don't match.
 // * Having several uuids that match is ok.