Yukihiro "Matz" Matsumoto bbcadd6bf9 mruby-rational: fix left shift overflow in rational_new_f ...

Shifting 1 left by MRB_INT_BIT-1 (e.g., 63 on 64-bit) bits into the sign
bit is undefined behavior. Change the overflow check from >= MRB_INT_BIT
to >= MRB_INT_BIT-1 to prevent this.

Co-authored-by: Claude <noreply@anthropic.com>

2026-01-05 17:47:57 +09:00

..

rational.c

mruby-rational: fix left shift overflow in rational_new_f

2026-01-05 17:47:57 +09:00