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libstdc++: Compile PR93978 testcase with -Wall

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Now that the frontend issue PR c++/94038 is thoroughly fixed, the
testcase for PR93978 no longer fails to compile with -O -Wall, so add
-Wall to the testcase's compile flags to help ensure we don't regress
here.

libstdc++-v3/ChangeLog:

	PR libstdc++/93978
	* testsuite/std/ranges/adaptors/93978.cc: Add -Wall to
	dg-additional-options.  Avoid unused-but-set-variable warning.
This commit is contained in:
Patrick Palka 2020-05-23 15:25:40 -04:00
parent 6d1556ecfa
commit a57aa11191
2 changed files with 9 additions and 2 deletions
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6
libstdc++-v3/ChangeLog
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@ -1,3 +1,9 @@
2020-05-23 Patrick Palka <ppalka@redhat.com>
PR libstdc++/93978
* testsuite/std/ranges/adaptors/93978.cc: Add -Wall to
dg-additional-options. Avoid unused-but-set-variable warning.
2020-05-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/95289

5
libstdc++-v3/testsuite/std/ranges/adaptors/93978.cc
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@ -16,7 +16,7 @@
// <http://www.gnu.org/licenses/>.
// { dg-options "-std=gnu++2a" }
// { dg-additional-options "-O" }
// { dg-additional-options "-O -Wall" }
// { dg-do compile { target c++2a } }
#include <ranges>
@ -25,11 +25,12 @@
namespace ranges = std::ranges;
namespace views = std::views;
void
auto
test()
{
std::vector<std::string> x = {""};
auto i = std::counted_iterator(x.begin(), 1);
auto r = ranges::subrange{i, std::default_sentinel};
auto v = r | views::join;
return v;
}