[lld] [LLD][COFF] allow saving intermediate files with /lldsavetemps (PR #115131)

[Miguel A. Arroyo via llvm-commits]

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@@ -2012,8 +2016,18 @@ void LinkerDriver::linkerMain(ArrayRef<const char *> argsArr) {
   config->ltoDebugPassManager = ltoDebugPM;
 
   // Handle /lldsavetemps
-  if (args.hasArg(OPT_lldsavetemps))
-    config->saveTemps = true;
+  if (args.hasArg(OPT_lldsavetemps)) {
+    for (const char *s : lldsaveTempsValues)
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mayanez wrote:

Makes sense. Yes, I originally modeled it after the `ELF` driver trying to diverge only as necessary.

https://github.com/llvm/llvm-project/pull/115131