From: Chris Lattner <sabre@nondot.org>
Date: Wed, 18 Jul 2007 16:00:06 +0000 (+0000)
Subject: Cast to void is valid, patch by Benoit Boissinot
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=75af4801c87ab5a58b40f03d669392c2abe0f292;p=clang

Cast to void is valid, patch by Benoit Boissinot


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@40003 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/Sema/SemaExpr.cpp b/Sema/SemaExpr.cpp
index 6439e48e9d..044fb63bf0 100644
--- a/Sema/SemaExpr.cpp
+++ b/Sema/SemaExpr.cpp
@@ -478,8 +478,9 @@ ParseCastExpr(SourceLocation LParenLoc, TypeTy *Ty,
   Expr *castExpr = static_cast<Expr*>(Op);
   QualType castType = QualType::getFromOpaquePtr(Ty);
 
-  // C99 6.5.4p2: both the cast type and expression type need to be scalars.
-  if (!castType->isScalarType()) { 
+  // C99 6.5.4p2: the cast type needs to be void or scalar and the expression
+  // type needs to be scalar.
+  if (!castType->isScalarType() && !castType->isVoidType()) { 
     return Diag(LParenLoc, diag::err_typecheck_cond_expect_scalar, 
                 castType.getAsString(), SourceRange(LParenLoc, RParenLoc));
   }