[Bug target/100152] [10.3, 11, 12 Regression] used caller-saved register not preserved across a call.

[iains at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100152

--- Comment #29 from Iain Sandoe <iains at gcc dot gnu.org> ---
what is also somewhat peculiar is that replacing the first function in the
reduced test case with "extern void ___UTF_8_put(char *a, int b);" changes the
code-gen for the second function.