shafik marked an inline comment as done.
shafik added inline comments.

================
Comment at: clang/lib/CodeGen/CGDebugInfo.cpp:3659
     // Use llvm function name.
-    Name = Fn->getName();
+    if (Fn->getName().startswith("___Z"))
+      LinkageName = Fn->getName();
----------------
dblaikie wrote:
> aprantl wrote:
> > aprantl wrote:
> > > Could you please add a comment that Clang Blocks are generated as raw 
> > > llvm::Functions but do have a mangled name and that is handling this 
> > > case? Otherwise this would look suspicious.
> > Should *all* raw LLVM functions have their name as the linkage name? 
> > Perhaps a raw LLVM function should only have a linkage name and no 
> > human-readable name?
> Seems plausible to me - do we have any data on other types of functions that 
> hit this codepath? 
So it was not obvious to me what other cases would this branch so I added an 
assert and ran `check-clang` and from that I saw four cases that ended up here:

`GenerateCapturedStmtFunction`
`GenerateOpenMPCapturedStmtFunction`
`GenerateBlockFunction`
`generateDestroyHelper`

It is not obvious to me we want to alter the behavior of any of the other cases.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D73282/new/

https://reviews.llvm.org/D73282



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