[Bug middle-end/100734] [12 Regression] /test/gnu/gcc/objdir/gcc/include-fixed/stdlib.h:291:8: internal compiler error: in from_mode_char, at attribs.h:304

[dave.anglin at bell dot net via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100734

--- Comment #10 from dave.anglin at bell dot net ---
On 2021-05-25 3:04 p.m., msebor at gcc dot gnu.org wrote:
> In parallel, I wonder if there's something funny about
> snprintf on HP-UX.  Does the snprintf call added in r12-930 do the right thing
> (i.e., append a nonempty string to spec)?
No.  When passed a size of 0, snprintf on hpux11.11 returns 0.  This issue is
noted in Linux man page
for snprintf.

Attached a possible fix.