EricWF added inline comments.
================
Comment at: lib/Sema/AnalysisBasedWarnings.cpp:378
const Stmt *S = CS.getStmt();
- if ((isa<ReturnStmt>(S) && !IsCoroutine) || isa<CoreturnStmt>(S)) {
+ if (isa<ReturnStmt>(S) || isa<CoreturnStmt>(S)) {
HasLiveReturn = true;
----------------
GorNishanov wrote:
> Is this check no longer needed because of the changes to
> AnalysisDeclContext.cpp?
>
> At some point it was needed because we were emitting "return gro" to produce
> the immediate return value from the coroutine, but, we wanted to flag the
> case when the user forgot to add "co_return"
I couldn't exactly figure out why this was no longer needed, but it appears we
don't traverse those implicitly created return statements.
I made sure to test this particular part of the change to ensure it didn't
regress behavior. If you look at the changes for `coreturn.cpp` you should see
that case exercised.
https://reviews.llvm.org/D33532
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