Fix ClangFormatFuzzer.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@311621 91177308-0d34-0410-b5e6-96231b3b80d8

tools/clang-format/fuzzer/ClangFormatFuzzer.cpp

@@ -20,7 +20,10 @@ extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
   std::string s((const char *)data, size);
   auto Style = getGoogleStyle(clang::format::FormatStyle::LK_Cpp);
   Style.ColumnLimit = 60;
-  applyAllReplacements(s, clang::format::reformat(
-                              Style, s, {clang::tooling::Range(0, s.size())}));
+  auto Replaces = reformat(Style, s, clang::tooling::Range(0, s.size()));
+  auto Result = applyAllReplacements(s, Replaces);
+
+  // Output must be checked, as otherwise we crash.
+  if (!Result) {}
   return 0;
 }