Don't pretend SIGZERO exists [#35291].

p4raw-id: //depot/perl@24406

diff --git a/mg.c b/mg.c
index b04e24f..8fa8ae9 100644 (file)
--- a/mg.c
+++ b/mg.c
@@ -1312,7 +1312,7 @@ Perl_magic_setsig(pTHX_ SV *sv, MAGIC *mg)
     }
     else {
        i = whichsig(s);        /* ...no, a brick */
-       if (i < 0) {
+       if (i <= 0) {
            if (ckWARN(WARN_SIGNAL))
                Perl_warner(aTHX_ packWARN(WARN_SIGNAL), "No such signal: SIG%s", s);
            return 0;