ldc executable crashes with this code

forkit 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 
>> elba";
> String literals are immutable by default. Casting immutable to 
> mutable
> is UB (Undefined Behaviour).
> [...]
>>     writeln(palindrome.reverse);
> 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.
> T

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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