AntonBikineev marked 7 inline comments as done.
AntonBikineev added a comment.
Thanks Richard for taking a look!
================
Comment at: clang/include/clang/Basic/DiagnosticCommonKinds.td:190
InGroup<CXX98CompatPedantic>, DefaultIgnore;
+def ext_cxx2b_size_t_suffix : Extension<
+ "'size_t' suffix for literals is a C++2b extension">,
----------------
rsmith wrote:
> Should this be an `ExtWarn`? I think we should warn on this by default.
I tried to follow the strategy used for 'long long' (only warn with
-Wlong-long), but I agree that warn-by-default would probably be better.
================
Comment at: clang/lib/Lex/LiteralSupport.cpp:594-595
// Loop over all of the characters of the suffix. If we see something bad,
// we break out of the loop.
for (; s != ThisTokEnd; ++s) {
----------------
rsmith wrote:
> General comment: I think the checks here have become too complex and
> error-prone. I suggest we add another flag, `hasSize`, that's set when we
> parse any size modifier (`F`, `L`, `LL`, `H`, `F128`, `I64`, and now `Z`),
> and when parsing any size modifier, replace the existing ad-hoc set of checks
> with a check for `hasSize`.
Good idea! It actually helped to flush out the issue when Q and H are mixed
together: https://godbolt.org/z/8hj39P93a
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D99456/new/
https://reviews.llvm.org/D99456
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