[flang-commits] [clang] [flang] [flang][Driver] Enables lto-partitions and fat-lto-object. (PR #158125)

[Tarun Prabhu via flang-commits]

================
@@ -995,7 +995,9 @@ void CodeGenAction::runOptimizationPipeline(llvm::raw_pwrite_stream &os) {
 
   // Create the pass manager.
   llvm::ModulePassManager mpm;
-  if (opts.PrepareForFullLTO)
+  if (opts.PrepareForFatLTO)
+    mpm = pb.buildFatLTODefaultPipeline(level, opts.PrepareForThinLTO, true);
----------------
tarunprabhu wrote:

Passing `true` as the last argument unconditionally emits a summary. This is not what clang does. Is this ok for flang?

https://github.com/llvm/llvm-project/pull/158125