Rename StringMap::emplace_second to try_emplace.

Coincidentally this function maps to the C++17 try_emplace. Rename it
for consistentcy with C++17 std::map. NFC.

llvm-svn: 276276

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/unittests/ProfileData/CoverageMappingTest.cpp b/llvm/unittests/ProfileData/CoverageMappingTest.cpp
index 53b40ebae85..47809b14faa 100644
--- a/llvm/unittests/ProfileData/CoverageMappingTest.cpp
+++ b/llvm/unittests/ProfileData/CoverageMappingTest.cpp
@@ -116,7 +116,7 @@ struct CoverageMappingTest : ::testing::Test {
     if (R != Files.end())
       return R->second;
     unsigned Index = Files.size();
-    Files.emplace_second(Name, Index);
+    Files.try_emplace(Name, Index);
     return Index;
   }