https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114875

--- Comment #2 from jeffrey.cliff at gmail dot com ---
whoops, accidentally hit submit before I had all the details

tl;dr at least in gcc 14.1 [but probably elsewhere]

in
libgo/runtime/runtime.h

defines an enum of 

enum
{
        true    = 1,
        false   = 0,
};

which means that it doesn't compile under -std=gnu2x similar to
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114216 

and more importantly - it's a header, which means *any code that uses it* also
won't build.

it's an easy enough fix
add an if guard

#if __STDC_VERSION__ <= 201710L 
enum
{
        true    = 1,
        false   = 0,
};
#endif

this allows for runtime/runtime.h to be compliant with c23 and previous
versions.

testing the fix now

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