re PR c++/51270 (missed warning about returning reference to temporary)

2017-07-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51270
	* g++.dg/warn/Wreturn-local-addr-3.C: New.

From-SVN: r250140

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index bf7c03e..a5721e9 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-07-11  Paolo Carlini  <paolo.carlini@oracle.com>
+
+       PR c++/51270
+       * g++.dg/warn/Wreturn-local-addr-3.C: New.
+
 2017-07-11  Carl Love  <cel@us.ibm.com>
 
        * gcc.target/powerpc/builtins-2-p9-runnable.c: Add new file with

diff --git a/gcc/testsuite/g++.dg/warn/Wreturn-local-addr-3.C b/gcc/testsuite/g++.dg/warn/Wreturn-local-addr-3.C
new file mode 100644 (file)
index 0000000..52607b6
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/Wreturn-local-addr-3.C
@@ -0,0 +1,8 @@
+// PR c++/51270
+// { dg-options "-O2" }
+
+const int& f(long l)
+{
+  const int& i = l;
+  return i;  // { dg-warning "address of local variable" }
+}