&CORE::getpgrp()

This commit allows &CORE::getpgrp to be called through references and
via ampersand syntax.  pp_getpgrp is modified to take into account the
nulls pushed on to the stack in pp_coreargs, since pp_coreargs has no
other way to tell getpgrp how many arguments it’s actually getting.

1 files changed, 2 insertions, 1 deletions

diff --git a/pp_sys.c b/pp_sys.c
index 704e581a8f..231388f21a 100644
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -4319,7 +4319,8 @@ PP(pp_getpgrp)
 #ifdef HAS_GETPGRP
     dVAR; dSP; dTARGET;
     Pid_t pgrp;
-    const Pid_t pid = (MAXARG < 1) ? 0 : SvIVx(POPs);
+    const Pid_t pid =
+	(MAXARG < 1) ? 0 : TOPs ? SvIVx(POPs) : ((void)POPs, 0);
 
 #ifdef BSD_GETPGRP
     pgrp = (I32)BSD_GETPGRP(pid);