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Author SHA1 Message Date
Richard Smith
d8a2815903
[clang] implement current direction of CWG2765 for string literal comparisons in constant evaluation (#109208) 
Track the identity of each string literal object produced by evaluation
with a global version number. Accept comparisons between literals of the
same version, and between literals of different versions that cannot
possibly be placed in overlapping storage. Treat the remaining
comparisons as non-constant.

---------

Co-authored-by: Timm Baeder <tbaeder@redhat.com>
Co-authored-by: Aaron Ballman <aaron@aaronballman.com>
 2024-09-26 15:56:33 -07:00
Timm Bäder
bad544461a [clang][bytecode][NFC] Remove an outdated comment 2024-09-23 11:54:00 +02:00
Timm Bäder
95a0b4f729 Revert "[clang][ExprConst] Allow comparisons with string literals (#106733)" 
This reverts commit 5d1d2f08c4a92580e7f6b3b6b77b2b6f6184e126.

See the discussion in https://github.com/llvm/llvm-project/pull/106733
and https://github.com/llvm/llvm-project/issues/58754
 2024-09-17 05:58:54 +02:00
Timm Baeder
5d1d2f08c4
[clang][ExprConst] Allow comparisons with string literals (#106733) 
Don't diagnose them, but literals still have distinct addresses.

Fixes https://github.com/llvm/llvm-project/issues/58754
 2024-09-13 10:30:02 +02:00
Timm Bäder
6a56f15211 [clang][bytecode][NFC] Fix a commented-out test 2024-09-10 14:05:46 +02:00
Timm Baeder
a07aba5d44
[clang] Rename all AST/Interp stuff to AST/ByteCode (#104552) 
"Interp" clashes with the clang interpreter and people often confuse
this.
 2024-08-16 17:13:12 +02:00