Use a HEK to store the GV's name, rather than a malloc()ed string.

Saves 1 word in each GV (no more strlen), and will also save the memory
used by the string itself, as the HEK will exist already due to the
key used by the symbol table for this GV.

p4raw-id: //depot/perl@27379

1 files changed, 2 insertions, 4 deletions

diff --git a/sv.h b/sv.h
index 50f11e0e13..7a63afc1ed 100644
--- a/sv.h
+++ b/sv.h
@@ -487,8 +487,7 @@ struct xpvlv {
     HV*		xmg_stash;	/* class package */
 
     /* a full glob fits into this */
-    char*	xgv_name;
-    STRLEN	xgv_namelen;
+    HEK *	xgv_namehek;
 
     STRLEN	xlv_targoff;
     STRLEN	xlv_targlen;
@@ -516,8 +515,7 @@ struct xpvgv {
     } xmg_u;
     HV*		xmg_stash;	/* class package */
 
-    char*	xgv_name;
-    STRLEN	xgv_namelen;
+    HEK *	xgv_namehek;
 };
 
 struct xpvbm {