ldc executable crashes with this code
forkit at gmail.com
Thu Feb 3 01:39:33 UTC 2022
On Wednesday, 2 February 2022 at 23:30:50 UTC, H. S. Teoh wrote:
> On Wed, Feb 02, 2022 at 11:21:52PM +0000, forkit via
> Digitalmars-d-learn wrote: [...]
>> char palindrome = cast(char)"able was I ere I saw
> String literals are immutable by default. Casting immutable to
> is UB (Undefined Behaviour).
> Especially because .reverse mutates its argument. So you're
> attempting to overwrite immutable data here. That's probably
> what caused the crash: the literal is put in the read-only
> segment and the OS killed the program when it tried to write to
> data in that read-only segment.
that explains ldc perhaps (although i don't really get it. It's
cast to mutable and being assigned to mutable.
in any case... ldc doesn't like it, but dmd is fine with this ??
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