================
@@ -1451,6 +1451,8 @@ void
Sema::checkFortifiedBuiltinMemoryFunction(FunctionDecl *FD,
DestinationSize = ComputeSizeArgument(0);
const Expr *LenArg = TheCall->getArg(1)->IgnoreParenImpCasts();
const Expr *Dest = TheCall->getArg(0)->IgnoreParenImpCasts();
+ if (const auto *DestCast = dyn_cast_or_null<CastExpr>(Dest))
+ Dest = DestCast->getSubExprAsWritten();
----------------
BgZun wrote:
This makes sure that warnings are written if a cast is used in the dest
parameter(e.g '(char *)dest' ).
I added this since gcc outputs diagnostics for this case. [Example
code](https://godbolt.org/z/8dqYfoaYW)
https://github.com/llvm/llvm-project/pull/170637
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