From b19fea61d3fba8266bc4f806dc9c5eec327188c1 Mon Sep 17 00:00:00 2001 From: hubicka Date: Fri, 23 Feb 2018 18:18:07 +0000 Subject: * lto-partition.c (lto_balanced_map): Watch overflow. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@257939 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/lto/lto-partition.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'gcc/lto/lto-partition.c') diff --git a/gcc/lto/lto-partition.c b/gcc/lto/lto-partition.c index 6055dad99b5..60daafdf375 100644 --- a/gcc/lto/lto-partition.c +++ b/gcc/lto/lto-partition.c @@ -757,7 +757,8 @@ lto_balanced_map (int n_lto_partitions, int max_partition_size) if (npartitions < n_lto_partitions) partition_size = total_size / (n_lto_partitions - npartitions); else - partition_size = INT_MAX; + /* Watch for overflow. */ + partition_size = INT_MAX / 16; if (partition_size < PARAM_VALUE (MIN_PARTITION_SIZE)) partition_size = PARAM_VALUE (MIN_PARTITION_SIZE); -- cgit v1.2.1