Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
flow.c | 2 +-
validation/crash-rewrite-branch.c | 24 ++++++++++++++++++++++++
2 files changed, 25 insertions(+), 1 deletion(-)
create mode 100644 validation/crash-rewrite-branch.c
diff --git a/flow.c b/flow.c
index 23fa7c21b..6cac21b24 100644
--- a/flow.c
+++ b/flow.c
@@ -30,7 +30,7 @@ static int rewrite_branch(struct basic_block *bb,
struct basic_block *old,
struct basic_block *new)
{
- if (*ptr != old || new == old)
+ if (*ptr != old || new == old || !bb->ep)
return 0;
/* We might find new if-conversions or non-dominating CSEs */
diff --git a/validation/crash-rewrite-branch.c b/validation/crash-rewrite-branch.c
new file mode 100644
index 000000000..eb310df1c
--- /dev/null
+++ b/validation/crash-rewrite-branch.c
@@ -0,0 +1,24 @@
+void a(int c, int e)
+{
+ for(; b; c ;
+
+ if (()) {
+ unsigned short d = e;
+ if (())
+ while ()
+ ;
+ &d;
+ }
+
+ if (()) {
+ int f = &f;
+ }
+}
+
+/*
+ * check-name: crash rewrite_branch
+ * check-command: test-linearize $file
+ *
+ * check-error-ignore
+ * check-output-ignore
+ */
--
2.13.2
--
To unsubscribe from this list: send the line "unsubscribe linux-sparse" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
