5g: correct size of reg array.

Found by gcc 4.5.2 -Werror build reported on IRC by niemeyer.

R=ken2, rsc, r2
CC=golang-dev
https://golang.org/cl/4438042

diff --git a/src/cmd/5g/gg.h b/src/cmd/5g/gg.h
index ce4575be9592be345199360e05e0557a2106008f..78e6833b2ae9270829124ef9717aac1b59d027b1 100644 (file)
--- a/src/cmd/5g/gg.h
+++ b/src/cmd/5g/gg.h
@@ -52,7 +52,7 @@ struct        Prog
 
 EXTERN Biobuf* bout;
 EXTERN int32   dynloc;
-EXTERN uchar   reg[REGALLOC_FMAX];
+EXTERN uchar   reg[REGALLOC_FMAX+1];
 EXTERN int32   pcloc;          // instruction counter
 EXTERN Strlit  emptystring;
 extern char*   anames[];