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For tied file handle calls, use PUSH* when we know that the stack has space.
[perl5.git] / cop.h
diff --git a/cop.h b/cop.h
index 6c51d73..98478ae 100644 (file)
--- a/cop.h
+++ b/cop.h
@@ -778,11 +778,14 @@ L<perlcall>.
                                   hash actions codes defined in hv.h */
 #define G_EVAL         8       /* Assume eval {} around subroutine call. */
 #define G_NOARGS       16      /* Don't construct a @_ array. */
-#define G_KEEPERR      32      /* Append errors to $@, don't overwrite it */
+#define G_KEEPERR      32      /* Warn for errors, don't overwrite $@ */
 #define G_NODEBUG      64      /* Disable debugging at toplevel.  */
 #define G_METHOD      128       /* Calling method. */
 #define G_FAKINGEVAL  256      /* Faking an eval context for call_sv or
                                   fold_constants. */
+#define G_UNDEF_FILL  512      /* Fill the stack with &PL_sv_undef
+                                  A special case for UNSHIFT in
+                                  Perl_magic_methcall().  */
 
 /* flag bits for PL_in_eval */
 #define EVAL_NULL      0       /* not in an eval */