[clang] [clang][modules] Print library module manifest path. (PR #76451)

[Thorsten Schütt via cfe-commits]

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@@ -2164,6 +2164,12 @@ bool Driver::HandleImmediateArgs(const Compilation &C) {
     return false;
   }
 
+  if (C.getArgs().hasArg(options::OPT_print_library_module_manifest_path)) {
+    llvm::outs() << "module: ="
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tschuett wrote:

If the output starts with a /, then it is the path. If the output starts with error:, then there will be some actionable information. 

https://github.com/llvm/llvm-project/pull/76451