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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122458 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/PrettyStackTrace.cpp b/lib/Support/PrettyStackTrace.cpp
index cd7c097..a9f4709 100644
--- a/lib/Support/PrettyStackTrace.cpp
+++ b/lib/Support/PrettyStackTrace.cpp
@@ -107,7 +107,7 @@
PrettyStackTraceEntry::PrettyStackTraceEntry() {
// The first time this is called, we register the crash printer.
static bool HandlerRegistered = RegisterCrashPrinter();
- HandlerRegistered = HandlerRegistered;
+ (void)HandlerRegistered;
// Link ourselves.
NextEntry = PrettyStackTraceHead.get();
@@ -131,4 +131,3 @@
OS << ArgV[i] << ' ';
OS << '\n';
}
-
diff --git a/lib/Support/StringMap.cpp b/lib/Support/StringMap.cpp
index 6f28277..90ec299 100644
--- a/lib/Support/StringMap.cpp
+++ b/lib/Support/StringMap.cpp
@@ -155,7 +155,7 @@
void StringMapImpl::RemoveKey(StringMapEntryBase *V) {
const char *VStr = (char*)V + ItemSize;
StringMapEntryBase *V2 = RemoveKey(StringRef(VStr, V->getKeyLength()));
- V2 = V2;
+ (void)V2;
assert(V == V2 && "Didn't find key?");
}