From: Reini Urban <rurban@x-ray.at>
Date: Sun, 6 Dec 2009 14:31:23 +0000 (+0000)
Subject: Innocently looking union member swap
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=2a12fdfc8231e1ef9e624e5f6dac620de236e884;p=p5sagit%2Fp5-mst-13.2.git

Innocently looking union member swap

This helps statically initializing union members on gcc,
otherwise we get "initializer element is not computable at load time".
This speeds up initializing larger B::C/B::CC compiled programs with -O1/-O2 by 10%.
---

diff --git a/sv.h b/sv.h
index b452b36..fc1b475 100644
--- a/sv.h
+++ b/sv.h
@@ -103,10 +103,10 @@ typedef struct hek HEK;
 
 #define _SV_HEAD_UNION \
     union {				\
+	char*   svu_pv;		/* pointer to malloced string */	\
 	IV      svu_iv;			\
 	UV      svu_uv;			\
 	SV*     svu_rv;		/* pointer to another SV */		\
-	char*   svu_pv;		/* pointer to malloced string */	\
 	SV**    svu_array;		\
 	HE**	svu_hash;		\
 	GP*	svu_gp;			\