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-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/trans-mem.c4
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8350a6f..66e4539 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2019-06-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/90819
+ * trans-mem.c (tm_memopt_compute_available): Add assertion
+ that blocks is not empty. Formatting fix.
+
2019-06-11 Martin Liska <mliska@suse.cz>
PR c++/87847
diff --git a/gcc/trans-mem.c b/gcc/trans-mem.c
index d16f5f9..35d4fab 100644
--- a/gcc/trans-mem.c
+++ b/gcc/trans-mem.c
@@ -3708,9 +3708,9 @@ tm_memopt_compute_available (struct tm_region *region,
/* Allocate a worklist array/queue. Entries are only added to the
list if they were not already on the list. So the size is
bounded by the number of basic blocks in the region. */
+ gcc_assert (!blocks.is_empty ());
qlen = blocks.length () - 1;
- qin = qout = worklist =
- XNEWVEC (basic_block, qlen);
+ qin = qout = worklist = XNEWVEC (basic_block, qlen);
/* Put every block in the region on the worklist. */
for (i = 0; blocks.iterate (i, &bb); ++i)