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* [gcc r13-6876] libstdc++: Fix up experimental/net/timer/waitable/dest.cc testcase
@ 2023-03-27 10:02 Jakub Jelinek
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From: Jakub Jelinek @ 2023-03-27 10:02 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:3c0f5a9533bcb200d2d49755e653cf8f6c637118
commit r13-6876-g3c0f5a9533bcb200d2d49755e653cf8f6c637118
Author: Jakub Jelinek <jakub@redhat.com>
Date: Mon Mar 27 12:02:06 2023 +0200
libstdc++: Fix up experimental/net/timer/waitable/dest.cc testcase
In Fedora package build I've noticed a failure
/builddir/build/BUILD/gcc-13.0.1-20230324/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc: In function 'void test01()':
/builddir/build/BUILD/gcc-13.0.1-20230324/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc:41: warning: format '%lu' expects argument of type 'long unsigned int', but a
rgument 2 has type 'unsigned int' [-Wformat=]
FAIL: experimental/net/timer/waitable/dest.cc (test for excess errors)
Excess errors:
/builddir/build/BUILD/gcc-13.0.1-20230324/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc:41: warning: format '%lu' expects argument of type 'long unsigned int', but
+argument 2 has type 'unsigned int' [-Wformat=]
because we build with -Wformat.
The test uses %lu for size_t argument, which can be anything from unsigned
int to unsigned long long. As for printf I'm not sure we can use %zu
portably and given the n == 1 assertion, I think the options are to kill
the printf, or cast to long.
2023-03-27 Jakub Jelinek <jakub@redhat.com>
* testsuite/experimental/net/timer/waitable/dest.cc: Avoid -Wformat
warning if size_t is not unsigned long.
Diff:
---
libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc b/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc
index cff654c0527..cb818708aef 100644
--- a/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc
+++ b/libstdc++-v3/testsuite/experimental/net/timer/waitable/dest.cc
@@ -38,7 +38,7 @@ test01()
timer.async_wait([&ec](std::error_code e) { ec = e; });
}
auto n = ctx.run();
- __builtin_printf("ran %lu\n", n);
+ __builtin_printf("ran %lu\n", long(n));
VERIFY( n == 1 );
VERIFY( ec == std::errc::operation_canceled );
}
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