xbolva00 marked an inline comment as done.
xbolva00 added inline comments.
================
Comment at: lib/Sema/SemaExpr.cpp:10929
+ // Do not diagnose if xor keyword is used.
+ if (ExprStr.find("xor") != llvm::StringRef::npos)
+ return;
----------------
xbolva00 wrote:
> jfb wrote:
> > xbolva00 wrote:
> > > Quuxplusone wrote:
> > > > xbolva00 wrote:
> > > > > jfb wrote:
> > > > > > Doesn't this match any expression that contains `xor`? Put another
> > > > > > way, I don't see `"xor"` used anywhere else under clang, what's
> > > > > > usually done?
> > > > > Yes, but since xor is keyword in C++, I think this is safe.
> > > > I believe JF is worried about expressions like `constexpr int
> > > > flexor_exponent = 3; return 10 ^ flexor_exponent;`. That expression
> > > > contains the substring `"xor"` but does not use the `xor` keyword.
> > > > Which reminds me, can you add some test cases showing what behavior you
> > > > expect for operands that are not integer literals but still
> > > > compile-time `const`, or `constexpr`, or template arguments?
> > > Ah, I will change it to “ xor “.
> > Spaces aren't the only valid whitespace character :)
> >
> > ```
> > 2 xor
> > 31
> > ```
> I will rework it to chech only XOR op, not the while expr.
Well, 10 ^ flexor ..
We cannot reach xor check, flexor is not a integer literal. So I will rework
nothing here.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D63423/new/
https://reviews.llvm.org/D63423
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