reapply r198858: Disable LeakSanitizer in TableGen binaries, see PR18325; this...

reapply r198858: Disable LeakSanitizer in TableGen binaries, see PR18325; this time LeakSanitizerIsTurnedOffForTheCurrentProcess is used instead of __lsan_is_turned_off

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@198922 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/TableGen.cpp

@@ -263,3 +263,10 @@ int main(int argc, char **argv) {
 
   return TableGenMain(argv[0], &ClangTableGenMain);
 }
+
+extern "C" {
+// Disable LeakSanitizer for this binary as it has too many leaks that are not
+// very interesting to fix. LeakSanitizerIsTurnedOffForTheCurrentProcess is
+// explained in compiler-rt/include/sanitizer/lsan_interface.h
+int LeakSanitizerIsTurnedOffForTheCurrentProcess() { return 1; }
+} // extern "C"