================
@@ -627,7 +627,7 @@ class Analyzer {
IsNoexcept = isNoexcept(FD);
} else if (auto *BD = dyn_cast<BlockDecl>(D)) {
if (auto *TSI = BD->getSignatureAsWritten()) {
- auto *FPT = TSI->getType()->getAs<FunctionProtoType>();
+ auto *FPT = TSI->getType()->castAs<FunctionProtoType>();
----------------
AaronBallman wrote:
This code path is hit from:
```
if (Context.hasAnyFunctionEffects())
performFunctionEffectAnalysis(Context.getTranslationUnitDecl());
```
and the only thing that sets `AnyFunctionEffects` is through a call to
`ASTContext::getFunctionTypeInternal()`, which is only called for functions
with prototypes. So I believe this change is correct as-is, but is a bit
fragile.
CC @Sirraide @cjappl @dougsonos for extra eyes; are K&R C functions supposed to
support function effects? If so, I suspect that doesn't work today.
https://github.com/llvm/llvm-project/pull/117176
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