diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 03db9a1..503e1fd 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1796,6 +1796,8 @@
   Opts.ShowTimers = Args.hasArg(OPT_ftime_report);
   Opts.PrintSupportedCPUs = Args.hasArg(OPT_print_supported_cpus);
   Opts.TimeTrace = Args.hasArg(OPT_ftime_trace);
+  Opts.TimeTraceGranularity = getLastArgIntValue(
+      Args, OPT_ftime_trace_granularity_EQ, Opts.TimeTraceGranularity, Diags);
   Opts.ShowVersion = Args.hasArg(OPT_version);
   Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge);
   Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);