[clang] [llvm] Add source file name for template instantiations in -ftime-trace (PR #98320)

[Ilya Biryukov via cfe-commits]

================
@@ -307,14 +331,25 @@ struct llvm::TimeTraceProfiler {
 
   // Minimum time granularity (in microseconds)
   const unsigned TimeTraceGranularity;
+
+  // Make time trace capture verbose event details (eg. source filenames). This
----------------
ilya-biryukov wrote:

NIT: `e.g. ` seems to be more common in the source code, so maybe use that?

https://github.com/llvm/llvm-project/pull/98320