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

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



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122458 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeffrey Yasskin
2010-12-23 00:58:24 +00:00
parent 65e43a259f
commit 8e68c38735
20 changed files with 31 additions and 37 deletions
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4
unittests/Support/ValueHandleTest.cpp
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@ -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) {