================
@@ -5637,6 +5638,27 @@ static bool EvaluateUnaryTypeTrait(Sema &Self, TypeTrait
UTT,
return false;
case UTT_IsTriviallyEqualityComparable:
return isTriviallyEqualityComparableType(Self, T, KeyLoc);
+ case UTT_IsImplicitLifetime: {
+ DiagnoseVLAInCXXTypeTrait(Self, TInfo,
+ tok::kw___builtin_is_implicit_lifetime);
+ QualType UnqualT = T->getCanonicalTypeUnqualified();
+ if (UnqualT->isScalarType())
----------------
AaronBallman wrote:
We definitely have to support (some) extensions, but hopefully they shouldn't
be too onerous. Things like extended scalar types (all the various
floating-point types, int128_t, etc) and vector types have to be supported. But
also things like `_Complex`, sizeless types, zero-sized arrays, flexible array
members in structures, etc.
https://github.com/llvm/llvm-project/pull/101807
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