Index: lib/csu/common/Makefile.inc
===================================================================
RCS file: /cvsroot/src/lib/csu/common/Makefile.inc,v
retrieving revision 1.26
diff -u -p -r1.26 Makefile.inc
--- lib/csu/common/Makefile.inc	27 Mar 2016 00:03:06 -0000	1.26
+++ lib/csu/common/Makefile.inc	29 Mar 2016 06:35:51 -0000
@@ -20,6 +20,7 @@ CFLAGS.crtbegin.c+= -fPIE
 # XXXGCC5   emits "clr %g1; call %g1", which is effectively jumping to zero.
 . if defined(HAVE_GCC) && ${HAVE_GCC} == 53 && \
      ${MACHINE_ARCH} != "i386" && ${MACHINE_ARCH} != "amd64"
+CFLAGS.crt0-common.c+=	-O1
 CFLAGS.crtbeginS.c+=	-O1
 . endif
 .endif
@@ -88,7 +89,7 @@ MY_PICFLAGS=
 crt0.o: crt0.S crt0-common.c
 	${_MKTARGET_COMPILE}
 	${COMPILE.S} ${ARCHDIR}/crt0.S -o ${.TARGET}.S.o
-	${COMPILE.c} ${MY_PICFLAGS} ${COMMON_DIR}/crt0-common.c -o ${.TARGET}.c.o
+	${COMPILE.c} ${CFLAGS.crt0-common.c} ${MY_PICFLAGS} ${COMMON_DIR}/crt0-common.c -o ${.TARGET}.c.o
 	${LD} -r -o ${.TARGET}.o ${.TARGET}.S.o ${.TARGET}.c.o
 	${OBJCOPY} ${OBJCOPYLIBFLAGS} ${.TARGET}.o ${.TARGET} 
 	rm -f ${.TARGET}.S.o ${.TARGET}.c.o ${.TARGET}.o