[llvm-branch-commits] [llvm] [Remarks] Restructure bitstream remarks to be fully standalone (PR #156715)

[Florian Hahn via llvm-branch-commits]

================
@@ -244,14 +239,57 @@ Error BitstreamParserHelper::parseBlockInfoBlock() {
   return Error::success();
 }
 
-Error BitstreamParserHelper::advanceToMetaBlock() {
+Error BitstreamParserHelper::parseMeta() {
   if (Error E = expectMagic())
     return E;
   if (Error E = parseBlockInfoBlock())
     return E;
+
+  // Parse early meta block
+  if (Error E = MetaHelper.expectBlock())
+    return E;
+  if (Error E = MetaHelper.parseBlock())
+    return E;
+
+  // Skip all Remarks blocks
----------------
fhahn wrote:

nit
```suggestion
  // Skip all Remarks blocks.
```

https://github.com/llvm/llvm-project/pull/156715