[clang] [flang] [clang][flang] Support -time in both clang and flang (PR #109165)

[Tarun Prabhu via cfe-commits]

================
@@ -194,11 +197,29 @@ int Compilation::ExecuteCommand(const Command &C,
   if (LogOnly)
     return 0;
 
+  // We don't use any timers or llvm::TimeGroup's because those are tied into
+  // the global static timer list which, in principle, could be cleared without
+  // us knowing about it.
+  llvm::TimeRecord StartTime;
+  if (getArgs().hasArg(options::OPT_time)) {
+    StartTime = llvm::TimeRecord::getCurrentTime(true);
+  }
+
   std::string Error;
   bool ExecutionFailed;
   int Res = C.Execute(Redirects, &Error, &ExecutionFailed);
   if (PostCallback)
     PostCallback(C, Res);
+
+  if (getArgs().hasArg(options::OPT_time)) {
+    llvm::TimeRecord Time = llvm::TimeRecord::getCurrentTime(false);
----------------
tarunprabhu wrote:

Done

https://github.com/llvm/llvm-project/pull/109165
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