https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10396
--- Comment #24 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I can't reproduce this since at least GCC 4.5.4.
[Bug rtl-optimization/10396] Constraint alternatives cause error " `asm' operand requires impossible reload"
pinskia at gcc dot gnu.org via Gcc-bugs Wed, 12 Feb 2025 00:17:45 -0800
