make die/warn and other diagnostics go to wherever STDERR happens

to point at; change places that meant Perl_debug_log rather than
PerlIO_stderr()

p4raw-id: //depot/perl@4302

1 files changed, 7 insertions, 1 deletions

diff --git a/perl.h b/perl.h
index 48765ee2e7..8aec1fd47f 100644
--- a/perl.h
+++ b/perl.h
@@ -1959,7 +1959,13 @@ Gid_t getegid (void);
 #endif
 
 #ifndef Perl_debug_log
-#define Perl_debug_log	PerlIO_stderr()
+#  define Perl_debug_log	PerlIO_stderr()
+#endif
+
+#ifndef Perl_error_log
+#  define Perl_error_log	(PL_stderrgv			\
+				 ? IoOFP(GvIOp(PL_stderrgv))	\
+				 : PerlIO_stderr())
 #endif
 
 #ifdef DEBUGGING