[lldb] [unittests] Use non-empty format string for Timer()

Pass dummy '.' as format string for Timer() rather than an empty string,
in order to silence gcc warnings about empty format string
(-Wformat-zero-length).  The actual format string is irrelevant
to the test in question.

Differential Revision: https://reviews.llvm.org/D58680

llvm-svn: 354922

1 files changed, 5 insertions, 5 deletions

diff --git a/lldb/unittests/Utility/TimerTest.cpp b/lldb/unittests/Utility/TimerTest.cpp
index 9605416198d..28d8d050b3e 100644
--- a/lldb/unittests/Utility/TimerTest.cpp
+++ b/lldb/unittests/Utility/TimerTest.cpp
@@ -17,7 +17,7 @@ TEST(TimerTest, CategoryTimes) {
   Timer::ResetCategoryTimes();
   {
     static Timer::Category tcat("CAT1");
-    Timer t(tcat, "");
+    Timer t(tcat, ".");
     std::this_thread::sleep_for(std::chrono::milliseconds(10));
   }
   StreamString ss;
@@ -32,10 +32,10 @@ TEST(TimerTest, CategoryTimesNested) {
   Timer::ResetCategoryTimes();
   {
     static Timer::Category tcat1("CAT1");
-    Timer t1(tcat1, "");
+    Timer t1(tcat1, ".");
     std::this_thread::sleep_for(std::chrono::milliseconds(10));
     // Explicitly testing the same category as above.
-    Timer t2(tcat1, "");
+    Timer t2(tcat1, ".");
     std::this_thread::sleep_for(std::chrono::milliseconds(10));
   }
   StreamString ss;
@@ -52,10 +52,10 @@ TEST(TimerTest, CategoryTimes2) {
   Timer::ResetCategoryTimes();
   {
     static Timer::Category tcat1("CAT1");
-    Timer t1(tcat1, "");
+    Timer t1(tcat1, ".");
     std::this_thread::sleep_for(std::chrono::milliseconds(100));
     static Timer::Category tcat2("CAT2");
-    Timer t2(tcat2, "");
+    Timer t2(tcat2, ".");
     std::this_thread::sleep_for(std::chrono::milliseconds(10));
   }
   StreamString ss;