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[Clang][C++20] Implement constexpr std::bit_cast for bit-fields #74775

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[Clang][C++20] Implement constexpr std::bit_cast for bit-fields #74775

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f281d34
[Clang][Sema] Print more static_assert exprs
sethp Dec 7, 2023
f9785e4
[Clang][C++20] Implement constexpr std::bit_cast for bit-fields
sethp Dec 7, 2023
2e0d3f8
refactor: BitCastBuffer with APInt, fix for bools
sethp Jan 4, 2024
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8 changes: 6 additions & 2 deletions clang/include/clang/Basic/DiagnosticASTKinds.td
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Original file line number Diff line number Diff line change
Expand Up @@ -316,10 +316,14 @@ def note_constexpr_memcpy_unsupported : Note<
"size to copy (%4) is not a multiple of size of element type %3 (%5)|"
"source is not a contiguous array of at least %4 elements of type %3|"
"destination is not a contiguous array of at least %4 elements of type %3}2">;
def note_constexpr_bit_cast_bad_bits : Note<
"bit_cast source expression (type %5) does not produce a constant value for "
"%select{bit|byte}0 [%1] (of {%2%plural{0:|:..0}2}) which are required by "
"target type %4 %select{|(subobject %3)}6">;
def note_constexpr_bit_cast_unsupported_type : Note<
"constexpr bit cast involving type %0 is not yet supported">;
def note_constexpr_bit_cast_unsupported_bitfield : Note<
"constexpr bit_cast involving bit-field is not yet supported">;
def note_constexpr_bit_cast_invalid_decl : Note<
"bit_cast here %select{from|to}0 invalid declaration %0">;
def note_constexpr_bit_cast_invalid_type : Note<
"bit_cast %select{from|to}0 a %select{|type with a }1"
"%select{union|pointer|member pointer|volatile|reference}2 "
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