[lld] [LLD][COFF] Add -build-id flag to generate .buildid section. (PR #71433)

[Zequan Wu via llvm-commits]

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@@ -1069,6 +1069,16 @@ void Writer::createMiscChunks() {
     debugInfoSec->addChunk(r.second);
   }
 
+  // If .buildid section was not chosen and /build-id is given, create .buildid
+  // section.
+  if (config->buildID && debugInfoSec != buildidSec) {
+    buildidSec->addChunk(debugDirectory);
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ZequanWu wrote:

Updated to create new chunks for extra .buildid section.

https://github.com/llvm/llvm-project/pull/71433