Change all self assignments X=X to (void)X, so that we can turn on a

new gcc warning that complains on self-assignments and
self-initializations.

llvm-svn: 122458

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/unittests/Support/ValueHandleTest.cpp b/llvm/unittests/Support/ValueHandleTest.cpp
index ba610ea4ff9..2e5e5b167c4 100644
--- a/llvm/unittests/Support/ValueHandleTest.cpp
+++ b/llvm/unittests/Support/ValueHandleTest.cpp
@@ -108,7 +108,7 @@ TEST_F(ValueHandle, WeakVH_NullOnDeletion) {
 TEST_F(ValueHandle, AssertingVH_BasicOperation) {
   AssertingVH<CastInst> AVH(BitcastV.get());
   CastInst *implicit_to_exact_type = AVH;
-  implicit_to_exact_type = implicit_to_exact_type;  // Avoid warning.
+  (void)implicit_to_exact_type;  // Avoid warning.
 
   AssertingVH<Value> GenericAVH(BitcastV.get());
   EXPECT_EQ(BitcastV.get(), GenericAVH);
@@ -125,7 +125,7 @@ TEST_F(ValueHandle, AssertingVH_Const) {
   const CastInst *ConstBitcast = BitcastV.get();
   AssertingVH<const CastInst> AVH(ConstBitcast);
   const CastInst *implicit_to_exact_type = AVH;
-  implicit_to_exact_type = implicit_to_exact_type;  // Avoid warning.
+  (void)implicit_to_exact_type;  // Avoid warning.
 }
 
 TEST_F(ValueHandle, AssertingVH_Comparisons) {