From: Martin Sebor <msebor@redhat.com>
Date: Tue, 6 Aug 2019 00:30:02 +0000 (+0000)
Subject: PR middle-end/50476 - Warn of pointer set to object whose lifetime is limited
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5e74e93c1ceb71116ae2cd8c092c969368d1cc8c;p=gcc.git

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
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 4b871aaa9a4..a4af533613a 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 00000000000..db4146db314
--- /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" }
+}