PragmaTwice a3f17ba3fe [libc++] Implement P2467R1: Support exclusive mode for fstreams
This patch brings std::ios_base::noreplace from P2467R1 to libc++.
This requires compiling the shared library in C++23 mode since otherwise
fstream::open(...) doesn't know about the new flag.

Differential Revision: https://reviews.llvm.org/D137640
Co-authored-by: Louis Dionne <ldionne.2@gmail.com>
2023-11-17 17:27:30 -05:00
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