nickdesaulniers added inline comments.

================
Comment at: llvm/lib/IR/Attributes.cpp:1901-1902
+  // caller was explicitly annotated as nossp.
+  if (Caller.hasFnAttribute(Attribute::NoStackProtect))
+    return;
   // If upgrading the SSP attribute, clear out the old SSP Attributes first.
----------------
void wrote:
> nickdesaulniers wrote:
> > This should be an anomalous situation due to the added verifier check. 
> > Should I make it an assert instead?
> If it should never happen, then please make it an assert.
Ah this assertion is not quite right; we still would like to permit `nossp` 
callee being inlined into `nossp` caller.  Let me add a test case for that, 
then make the assertion more precise about a **mismatch** between caller and 
callee.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87956/new/

https://reviews.llvm.org/D87956

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