tbaeder added inline comments.
================
Comment at: clang/lib/AST/Interp/Interp.h:1291-1305
+ if (RHS.isNegative()) {
const SourceInfo &Loc = S.Current->getSource(OpPC);
S.CCEDiag(Loc, diag::note_constexpr_negative_shift) << RHS.toAPSInt();
- return ShiftLeft<TL, TR>(S, OpPC, LHS, Trunc<TR, TL>(S, OpPC, Bits, -RHS));
- } else {
- return ShiftRight<TL, TR>(S, OpPC, LHS, Trunc<TR, TL>(S, OpPC, Bits, RHS));
+ return false;
}
-}
+ // C++11 [expr.shift]p1: Shift width must be less than the bit width of
----------------
aaron.ballman wrote:
> Should we factor this logic out into a common helper since it's the same
> between shl and shr? (It could be done as an NFC commit after we land this,
> too, I don't feel super strongly about it.)
Yes, this is what I meant in my earlier comment with "Excuse the code
duplication here"
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D136532/new/
https://reviews.llvm.org/D136532
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