Fix unused-variable compilation error.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@305898 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Frontend/PrecompiledPreamble.cpp b/lib/Frontend/PrecompiledPreamble.cpp
index 385e48a41057e10bcef7a2c1e3250fc941f35e56..15b24cbed4841541c8872c1e6e0163728262ed4e 100644 (file)
--- a/lib/Frontend/PrecompiledPreamble.cpp
+++ b/lib/Frontend/PrecompiledPreamble.cpp
@@ -73,12 +73,14 @@ TemporaryFiles::~TemporaryFiles() {
 void TemporaryFiles::addFile(StringRef File) {
   llvm::MutexGuard Guard(Mutex);
   auto IsInserted = Files.insert(File).second;
+  (void)IsInserted;
   assert(IsInserted && "File has already been added");
 }
 
 void TemporaryFiles::removeFile(StringRef File) {
   llvm::MutexGuard Guard(Mutex);
   auto WasPresent = Files.erase(File);
+  (void)WasPresent;
   assert(WasPresent && "File was not tracked");
   llvm::sys::fs::remove(File);
 }