clang:: to llvm::; NFC

These interfaces are LLVM interfaces, not Clang ones; but this worked
because of LLVM.h adding the interfaces to the clang namespace.

Author: AaronBallman

clang/lib/AST/APValue.cpp

@@ -90,7 +90,7 @@ QualType APValue::LValueBase::getType() const {
   // For a materialized temporary, the type of the temporary we materialized
   // may not be the type of the expression.
   if (const MaterializeTemporaryExpr *MTE =
-          clang::dyn_cast<MaterializeTemporaryExpr>(Base)) {
+          llvm::dyn_cast<MaterializeTemporaryExpr>(Base)) {
     SmallVector<const Expr *, 2> CommaLHSs;
     SmallVector<SubobjectAdjustment, 2> Adjustments;
     const Expr *Temp = MTE->getSubExpr();

clang/lib/Analysis/MacroExpansionContext.cpp

@@ -12,7 +12,7 @@
 
 #define DEBUG_TYPE "macro-expansion-context"
 
-static void dumpTokenInto(const clang::Preprocessor &PP, clang::raw_ostream &OS,
+static void dumpTokenInto(const clang::Preprocessor &PP, llvm::raw_ostream &OS,
                           clang::Token Tok);
 
 namespace clang {