tag 210848 + patch
thanks
Hello,
Here is a .dpatch file based on the patch posted on
[EMAIL PROTECTED] [1]. I built gcc with this patch, and I tried to
run the testcase. I confirm that it fixes the bug.
Cheers,
Aurelien
[1] http://gcc.gnu.org/ml/gcc-patches/2003-09/msg00853.html
#! /bin/sh -e
# DP: Unsharing lhs (leading to generate an infinite loop with inline
# DP: functions).
if [ $# -eq 3 -a "$2" = '-d' ]; then
pdir="-d $3"
elif [ $# -ne 1 ]; then
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
fi
case "$1" in
-patch)
patch $pdir -f --no-backup-if-mismatch -p0 < $0
;;
-unpatch)
patch $pdir -f --no-backup-if-mismatch -R -p0 < $0
;;
*)
echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
exit 1
esac
exit 0
--- gcc/cp/typeck.c 2003-09-19 15:53:40 +0200
+++ gcc/cp/typeck.c 2003-09-19 15:53:58 +0200
@@ -5526,9 +5526,18 @@
{
tree result_type = TREE_TYPE (newrhs);
+ tree lhs2;
+
+ /* Ensure that the calls are not shared with the lhs kept
+ at condition. */
+ if (TREE_SIDE_EFFECTS (lhs))
+ lhs2 = break_out_calls (lhs);
+ else
+ lhs2 = lhs;
+
/* We have to convert each arm to the proper type because the
types may have been munged by constant folding. */
result
= build (COND_EXPR, result_type, cond,
- build_modify_expr (lhs, modifycode,
+ build_modify_expr (lhs2, modifycode,
cp_convert (result_type,
TREE_OPERAND (newrhs, 1))),
