================
@@ -418,39 +448,60 @@ static ReadySuspendResumeResult buildCoawaitCalls(Sema
&S, VarDecl *CoroPromise,
return Calls;
}
Expr *CoroHandle = CoroHandleRes.get();
- CallExpr *AwaitSuspend = cast_or_null<CallExpr>(
- BuildSubExpr(ACT::ACT_Suspend, "await_suspend", CoroHandle));
+ auto *AwaitSuspend = [&]() -> CallExpr * {
+ auto *SubExpr = BuildSubExpr(ACT::ACT_Suspend, "await_suspend",
CoroHandle);
+ if (!SubExpr)
+ return nullptr;
+ if (auto *E = dyn_cast<CXXBindTemporaryExpr>(SubExpr)) {
+ // This happens when await_suspend return type is not trivially
+ // destructible. This doesn't happen for the permitted return types of
+ // such function. Diagnose it later.
+ return cast_or_null<CallExpr>(E->getSubExpr());
+ } else {
+ return cast_or_null<CallExpr>(SubExpr);
+ }
----------------
yuxuanchen1997 wrote:
I was hoping to obtain the return type from the CallExpr.
https://github.com/llvm/llvm-project/pull/85684
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