================
@@ -16538,6 +16538,21 @@ void Sema::DiagnoseAlwaysNonNullPointer(Expr *E,
}
}
+ // Complain if we are converting a lambda expression to a boolean value
+ if (const auto *MCallExpr = dyn_cast<CXXMemberCallExpr>(E)) {
+ if (const auto *MRecordDecl = MCallExpr->getRecordDecl();
+ MRecordDecl && MRecordDecl->isLambda()) {
+ std::string Str;
+ llvm::raw_string_ostream S(Str);
+
+ E->printPretty(S, nullptr, getPrintingPolicy());
+ Diag(E->getExprLoc(), diag::warn_impcast_pointer_to_bool)
+ << /*LambdaPointerConversionOperatorType*/ 3 << S.str()
+ << MRecordDecl->getSourceRange() << Range << IsEqual;
----------------
AaronBallman wrote:
```suggestion
Diag(E->getExprLoc(), diag::warn_impcast_pointer_to_bool)
<< /*LambdaPointerConversionOperatorType*/ 3
<< MRecordDecl->getSourceRange() << Range << IsEqual;
```
This way we don't pretty print the entire lambda body in the diagnostic message.
https://github.com/llvm/llvm-project/pull/83152
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