From c4379c3b7e5c7a5966e646bf39def5038fb59fa2 Mon Sep 17 00:00:00 2001
From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Tue, 21 Aug 2012 20:39:25 +0000
Subject: [PATCH] Don't pass a null pointer to cast<> in its unit tests.

llvm-svn: 162310
---
 llvm/unittests/Support/Casting.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/llvm/unittests/Support/Casting.cpp b/llvm/unittests/Support/Casting.cpp
index ca0b40b1f55b..dc0205f325f2 100644
--- a/llvm/unittests/Support/Casting.cpp
+++ b/llvm/unittests/Support/Casting.cpp
@@ -95,8 +95,9 @@ TEST(CastingTest, cast) {
   EXPECT_NE(&F5, null_foo);
   const foo *F6 = cast<foo>(B4);
   EXPECT_NE(F6, null_foo);
-  foo *F7 = cast<foo>(fub());
-  EXPECT_EQ(F7, null_foo);
+  // Can't pass null pointer to cast<>.
+  // foo *F7 = cast<foo>(fub());
+  // EXPECT_EQ(F7, null_foo);
   foo *F8 = B1.baz();
   EXPECT_NE(F8, null_foo);
 }
@@ -121,7 +122,8 @@ TEST(CastingTest, dyn_cast) {
   EXPECT_NE(F2, null_foo);
   const foo *F3 = dyn_cast<foo>(B4);
   EXPECT_NE(F3, null_foo);
-  // foo *F4 = dyn_cast<foo>(fub()); // not permittible
+  // Can't pass null pointer to dyn_cast<>.
+  // foo *F4 = dyn_cast<foo>(fub());
   // EXPECT_EQ(F4, null_foo);
   foo *F5 = B1.daz();
   EXPECT_NE(F5, null_foo);