add SV_SKIP_OVERLOAD flag to sv_2*v_flags fns

While trying to coerce an SV into a string or whatever, stop if you
suddenly discover it's overloaded (this may not happen until after you've
called it's get magic)

1 files changed, 3 insertions, 0 deletions

diff --git a/sv.h b/sv.h
index 807b48273f..7d3f1a6804 100644
--- a/sv.h
+++ b/sv.h
@@ -1694,6 +1694,9 @@ Like sv_utf8_upgrade, but doesn't do magic on C<sv>
  * This is used when the caller has already determined it is, and avoids
  * redundant work */
 #define SV_FORCE_UTF8_UPGRADE	4096
+/* if (after resolving magic etc), the SV is found to be overloaded,
+ * don't call the overload magic, just return as-is */
+#define SV_SKIP_OVERLOAD	8192
 
 /* The core is safe for this COW optimisation. XS code on CPAN may not be.
    So only default to doing the COW setup if we're in the core.