"Do" loops cannot have condition variables, so don't parse them.

llvm-svn: 89801

clang/lib/Parse/ParseStmt.cpp

@@ -875,10 +875,9 @@ Parser::OwningStmtResult Parser::ParseDoStatement(AttributeList *Attr) {
   }
 
   // Parse the parenthesized condition.
-  OwningExprResult Cond(Actions);
-  SourceLocation LPLoc, RPLoc;
-  ParseParenExprOrCondition(Cond, true, &LPLoc, &RPLoc);
-
+  SourceLocation LPLoc = ConsumeParen();
+  OwningExprResult Cond = ParseExpression();
+  SourceLocation RPLoc = MatchRHSPunctuation(tok::r_paren, LPLoc);
   DoScope.Exit();
 
   if (Cond.isInvalid() || Body.isInvalid())

clang/test/SemaTemplate/instantiate-function-1.cpp

@@ -106,9 +106,6 @@ template<typename T> struct Do0 {
   void f(T t) {
     do {
     } while (t); // expected-error{{not contextually}}
-    
-    do {
-    } while (T t2 = T());
   }
 };