From c197057b4254d909d4dc2c22a06aed6cb4dd16b2 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Wed, 10 Apr 2013 05:18:00 +0000
Subject: <rdar://problem/13605348> Don't consider invalid user-defined literal
 operators during overload resolution.

llvm-svn: 179150
---
 clang/lib/Sema/SemaLookup.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'clang/lib/Sema/SemaLookup.cpp')

diff --git a/clang/lib/Sema/SemaLookup.cpp b/clang/lib/Sema/SemaLookup.cpp
index b631d8b930a..eab2d81f396 100644
--- a/clang/lib/Sema/SemaLookup.cpp
+++ b/clang/lib/Sema/SemaLookup.cpp
@@ -2582,6 +2582,12 @@ Sema::LookupLiteralOperator(Scope *S, LookupResult &R,
     bool IsRaw = false;
     bool IsExactMatch = false;
 
+    // If the declaration we found is invalid, skip it.
+    if (D->isInvalidDecl()) {
+      F.erase();
+      continue;
+    }
+
     if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
       if (FD->getNumParams() == 1 &&
           FD->getParamDecl(0)->getType()->getAs<PointerType>())
-- 
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