lebedev.ri added inline comments.
================
Comment at: lib/Sema/SemaCast.cpp:94-101
+ void updatePartOfExplicitCastFlags(CastExpr *CE) {
+ // Walk down from the CE to the OrigSrcExpr, and mark all immediate
+ // ImplicitCastExpr's as being part of ExplicitCastExpr. The original CE
+ // (which is a ExplicitCastExpr), and the OrigSrcExpr are not touched.
+ while (OrigSrcExpr.get() != CE->getSubExpr() &&
+ (CE = dyn_cast<ImplicitCastExpr>(CE->getSubExpr())))
+ CE->setIsPartOfExplicitCast(true);
----------------
rsmith wrote:
> You don't need to track the `OrigSrcExpr` here. You can just recurse down
> through all the `ImplicitCastExpr`s (they're always all notionally part of
> the explicit cast).
We do sometimes have `OrigSrcExpr` being `ImplicitCastExpr`.
https://godbolt.org/g/S5951G <- that `ImplicitCastExpr` would now get marked,
even though it is `OrigSrcExpr`.
Is that expected?
Repository:
rC Clang
https://reviews.llvm.org/D49508
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