commit 0f279e756e3df69f9e071c572805e5d3e89123a2
author Argyrios Kyrtzidis <akyrtzi@gmail.com> Sat Oct 30 19:52:22 2010 +0000
committer Argyrios Kyrtzidis <akyrtzi@gmail.com> Sat Oct 30 19:52:22 2010 +0000
tree 36df004ace7a668533812516eb40dfd92e043db2
parent c92bbb4429dfce891d7f4000f0dabcc9ddaa68b7

Emit an error when trying to form a pointer-to-member to a bitfield.

As a bonus, avoids a crash on the IRGen side due to accepting invalid code.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117842 91177308-0d34-0410-b5e6-96231b3b80d8

lib/AST/Expr.cpp

diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 19b2b5b..6829557 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -1930,6 +1930,11 @@
       if (Field->isBitField())
         return Field;
 
+  if (DeclRefExpr *DeclRef = dyn_cast<DeclRefExpr>(E))
+    if (FieldDecl *Field = dyn_cast<FieldDecl>(DeclRef->getDecl()))
+      if (Field->isBitField())
+        return Field;
+
   if (BinaryOperator *BinOp = dyn_cast<BinaryOperator>(E))
     if (BinOp->isAssignmentOp() && BinOp->getLHS())
       return BinOp->getLHS()->getBitField();