Hi,
This fixes an ICE by adding a NULL check. Bootstrapped and regtested for
x86_64-unknown-linux-gnu. Applied to trunk. Does this need to be ported to
gcc-5-branch?
Thanks,
Ilya
--
gcc/
2015-09-01 Ilya Enkovich <enkovich....@gmail.com>
PR target/67405
* tree-chkp.c (chkp_find_bound_slots_1): Add NULL check.
gcc/testsuite/
2015-09-01 Ilya Enkovich <enkovich....@gmail.com>
PR target/67405
* g++.dg/pr67405.C: New test.
diff --git a/gcc/testsuite/g++.dg/pr67405.C b/gcc/testsuite/g++.dg/pr67405.C
new file mode 100644
index 0000000..5055921
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr67405.C
@@ -0,0 +1,11 @@
+// { dg-do compile }
+
+struct S
+{
+ S f; // { dg-error "incomplete type" }
+};
+
+void
+fn1 (S p1)
+{
+}
diff --git a/gcc/tree-chkp.c b/gcc/tree-chkp.c
index 8c1b48c..2489abb 100644
--- a/gcc/tree-chkp.c
+++ b/gcc/tree-chkp.c
@@ -1667,8 +1667,9 @@ chkp_find_bound_slots_1 (const_tree type, bitmap
have_bound,
for (field = TYPE_FIELDS (type); field; field = DECL_CHAIN (field))
if (TREE_CODE (field) == FIELD_DECL)
{
- HOST_WIDE_INT field_offs
- = TREE_INT_CST_LOW (DECL_FIELD_BIT_OFFSET (field));
+ HOST_WIDE_INT field_offs = 0;
+ if (DECL_FIELD_BIT_OFFSET (field))
+ field_offs += TREE_INT_CST_LOW (DECL_FIELD_BIT_OFFSET (field));
if (DECL_FIELD_OFFSET (field))
field_offs += TREE_INT_CST_LOW (DECL_FIELD_OFFSET (field)) * 8;
chkp_find_bound_slots_1 (TREE_TYPE (field), have_bound,
