From: John McCall <rjmccall@apple.com>
Date: Fri, 26 Aug 2011 18:42:59 +0000 (+0000)
Subject: Assert that a call argument is a gl-value iff the parameter is a reference type.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=8affed5107ea79bf4d429770d2873e9c7288255e;p=clang

Assert that a call argument is a gl-value iff the parameter is a reference type.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138639 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGCall.cpp b/lib/CodeGen/CGCall.cpp
index 846e1aa393..102793b48a 100644
--- a/lib/CodeGen/CGCall.cpp
+++ b/lib/CodeGen/CGCall.cpp
@@ -1431,6 +1431,9 @@ void CodeGenFunction::EmitCallArg(CallArgList &args, const Expr *E,
     return emitWritebackArg(*this, args, CRE);
   }
 
+  assert(type->isReferenceType() == E->isGLValue() &&
+         "reference binding to unmaterialized r-value!");
+
   if (type->isReferenceType())
     return args.add(EmitReferenceBindingToExpr(E, /*InitializedDecl=*/0),
                     type);