std.GeneralPurposeAllocator: logging improvements

It now uses the log scope "gpa" instead of "std".

Additionally, there is a new config option `verbose_log` which enables
info log messages for every allocation. Can be useful when debugging.
This option is off by default.
766b315b38Andrew Kelley committed on 1/31/2021, 3:15:26 AMparent0808d98
1 file changedLine totals unavailable