* [committed] Add testcase for PR c++/84488
@ 2018-02-20 21:49 Jakub Jelinek
0 siblings, 0 replies; only message in thread
From: Jakub Jelinek @ 2018-02-20 21:49 UTC (permalink / raw)
To: gcc-patches; +Cc: Jason Merrill
Hi!
This testcase got fixed in r257155 aka PR83942, but unlike
the PR83942 testcase which regressed during 8.x stage1 this one used
to fail before too, so I think it is worth adding another testcase for it.
Tested on x86_64-linux, committed to trunk as obvious.
2018-02-20 Jakub Jelinek <jakub@redhat.com>
PR c++/84488
* g++.dg/warn/Wunused-var-30.C: New test.
--- gcc/testsuite/g++.dg/warn/Wunused-var-30.C.jj 2018-02-20 17:53:26.539480455 +0100
+++ gcc/testsuite/g++.dg/warn/Wunused-var-30.C 2018-02-20 17:53:18.419481675 +0100
@@ -0,0 +1,11 @@
+// PR c++/84488
+// { dg-do compile }
+// { dg-options "-Wunused-but-set-variable" }
+
+int
+foo ()
+{
+ enum E { A, B, C, D };
+ double r = 1.0; // { dg-bogus "set but not used" }
+ return static_cast<E>(r);
+}
Jakub
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