From: Martin Sebor <msebor@redhat.com>
Date: Wed, 9 Mar 2016 04:20:07 +0000 (+0000)
Subject: PR c++/62096 - unexpected warning overflow in implicit constant conversion
X-Git-Tag: basepoints/gcc-7~521
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e210c999a81c5150281f8369efa9b99b1b4378ee;p=thirdparty%2Fgcc.git

PR c++/62096 - unexpected warning overflow in implicit constant conversion

gcc/testsuite/ChangeLog:
2016-03-08  Martin Sebor  <msebor@redhat.com>

        PR c++/62096
        * g++.dg/warn/overflow-warn-7.C: New test.

From-SVN: r234075
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 40e9b5275caf..baf029da14df 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-03-08  Martin Sebor  <msebor@redhat.com>
+
+	PR c++/62096
+	* g++.dg/warn/overflow-warn-7.C: New test.
+
 2016-03-08  Jason Merrill  <jason@redhat.com>
 
 	* lib/g++-dg.exp (g++-dg-runtest): Handle "concepts" in std list.
diff --git a/gcc/testsuite/g++.dg/warn/overflow-warn-7.C b/gcc/testsuite/g++.dg/warn/overflow-warn-7.C
new file mode 100644
index 000000000000..b536563b637d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/warn/overflow-warn-7.C
@@ -0,0 +1,17 @@
+// PR c/62096 - unexpected warning overflow in implicit constant conversion
+// { dg-do compile { target c++11 } }
+
+enum E {
+    E_val  = 1,
+};
+
+inline constexpr E operator~(E e)
+{
+  return E(~static_cast<int>(e));
+}
+
+int main()
+{
+  int val = ~E_val;   // { dg-bogus "overflow in implicit constant conversion" }
+  (void) val;
+}