Bug 1952241 - nsProfileLock.cpp: Silent warning ‘*this.nsProfileLock::mHaveLock’ is used uninitialized r=profiles-reviewers,mossop

Differential Revision: https://phabricator.services.mozilla.com/D241602

toolkit/profile/nsProfileLock.cpp

@@ -534,7 +534,12 @@ nsresult nsProfileLock::Lock(nsIFile* aProfileDir,
 nsresult nsProfileLock::Unlock(bool aFatalSignal) {
   nsresult rv = NS_OK;
 
+#pragma GCC diagnostic push
+/* Bug 1952241: Ignore uninitialized warning for mHaveLock.
+   Seems to be a false positive with gcc */
+#pragma GCC diagnostic ignored "-Wuninitialized"
   if (mHaveLock) {
+#pragma GCC diagnostic pop
 #if defined(XP_WIN)
     if (mLockFileHandle != INVALID_HANDLE_VALUE) {
       CloseHandle(mLockFileHandle);