Tweak Sema::DefaultArgumentPromotion() to call UsualUnaryConversions(). This makes sure function calls that don't have a prototype get the default function/array conversion.

Patch by Eli Friedman!



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46489 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 4 deletions

diff --git a/Sema/SemaExpr.cpp b/Sema/SemaExpr.cpp
index 58e0f08e50..ab63dc6993 100644
--- a/Sema/SemaExpr.cpp
+++ b/Sema/SemaExpr.cpp
@@ -866,16 +866,16 @@ Action::ExprResult Sema::ActOnConditionalOp(SourceLocation QuestionLoc,
 }
 
 /// DefaultArgumentPromotion (C99 6.5.2.2p6). Used for function calls that
-/// do not have a prototype. Integer promotions are performed on each 
-/// argument, and arguments that have type float are promoted to double.
+/// do not have a prototype. Arguments that have type float are promoted to 
+/// double. All other argument types are converted by UsualUnaryConversions().
 void Sema::DefaultArgumentPromotion(Expr *&Expr) {
   QualType Ty = Expr->getType();
   assert(!Ty.isNull() && "DefaultArgumentPromotion - missing type");
 
-  if (Ty->isPromotableIntegerType()) // C99 6.3.1.1p2
-    ImpCastExprToType(Expr, Context.IntTy);
   if (Ty == Context.FloatTy)
     ImpCastExprToType(Expr, Context.DoubleTy);
+  else
+    UsualUnaryConversions(Expr);
 }
 
 /// DefaultFunctionArrayConversion (C99 6.3.2.1p3, C99 6.3.2.1p4).