From 5e74e93c1ceb71116ae2cd8c092c969368d1cc8c Mon Sep 17 00:00:00 2001
From: Martin Sebor <msebor@redhat.com>
Date: Tue, 6 Aug 2019 00:30:02 +0000
Subject: [PATCH] PR middle-end/50476 - Warn of pointer set to object whose
lifetime is limited
gcc/testsuite/ChangeLog:
* gcc.dg/uninit-pr50476.c: New test.
From-SVN: r274135
---
gcc/testsuite/ChangeLog | 3 +++
gcc/testsuite/gcc.dg/uninit-pr50476.c | 18 ++++++++++++++++++
2 files changed, 21 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/uninit-pr50476.c
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4b871aaa9a42..a4af533613a9 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
2019-08-05 Martin Sebor <msebor@redhat.com>
+ PR middle-end/50476
+ * gcc.dg/uninit-pr50476.c: New test.
+
PR c++/60517
* g++.dg/pr60517.C: New test.
diff --git a/gcc/testsuite/gcc.dg/uninit-pr50476.c b/gcc/testsuite/gcc.dg/uninit-pr50476.c
new file mode 100644
index 000000000000..db4146db3146
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/uninit-pr50476.c
@@ -0,0 +1,18 @@
+/* PR middle-end/50476 - Warn of pointer set to object whose lifetime is limited
+ { dg-do compile }
+ { dg-options "-O1 -Wall" } */
+
+int *x = 0;
+
+void f (void)
+{
+ int y = 1;
+ x = &y;
+}
+
+int g (void)
+{
+ f ();
+
+ return *x; // { dg-warning "\\\[-Wuninitialized" }
+}
--
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