Module Name: src
Committed By: rin
Date: Thu Aug 3 14:55:54 UTC 2023
Modified Files:
src/share/mk: bsd.own.mk
Log Message:
bsd.own.mk: Revert CC_WNO_USE_AFTER_FREE
This is an undefined behavior in general. Implementation details of
pointer are not defined in C standards; it is not necessarily address
of memory objects.
Pointed out by uwe@. Thanks!!
To generate a diff of this commit:
cvs rdiff -u -r1.1348 -r1.1349 src/share/mk/bsd.own.mk
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/share/mk/bsd.own.mk
diff -u src/share/mk/bsd.own.mk:1.1348 src/share/mk/bsd.own.mk:1.1349
--- src/share/mk/bsd.own.mk:1.1348 Thu Aug 3 13:33:26 2023
+++ src/share/mk/bsd.own.mk Thu Aug 3 14:55:54 2023
@@ -1,4 +1,4 @@
-# $NetBSD: bsd.own.mk,v 1.1348 2023/08/03 13:33:26 rin Exp $
+# $NetBSD: bsd.own.mk,v 1.1349 2023/08/03 14:55:54 rin Exp $
# This needs to be before bsd.init.mk
.if defined(BSD_MK_COMPAT_FILE)
@@ -697,11 +697,6 @@ CC_WNO_RETURN_LOCAL_ADDR= ${${ACTIVE_CC}
CC_WNO_STRINGOP_OVERFLOW= ${${ACTIVE_CC} == "gcc" && ${HAVE_GCC:U0} >= 7:? -Wno-stringop-overflow :}
CC_WNO_STRINGOP_TRUNCATION= ${${ACTIVE_CC} == "gcc" && ${HAVE_GCC:U0} >= 8:? -Wno-stringop-truncation :}
-# -Wuse-after-free for GCC 12 is premature. It fires on a common idiom:
-# newbuf = realloc(buf, size); p = newbuf + (p - buf);
-# Let shut this up for GCC 12 (with hoping it gets improved for 13!).
-CC_WNO_USE_AFTER_FREE= ${${ACTIVE_CC} == "gcc" && ${HAVE_GCC:U0} == 12:? -Wno-use-after-free :}
-
# For each ${MACHINE_CPU}, list the ports that use it.
MACHINES.aarch64= evbarm
MACHINES.alpha= alpha
