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| author | Jakub Jelinek <jakub@redhat.com> | 2018-03-29 13:18:04 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-03-29 13:18:04 +0200 |
| commit | 036c9eb5d91e589ec10bb753ba2066963f9bcccc (patch) | |
| tree | 2f295c6ea9d89d8610728f8baa8793db6767a316 | |
| parent | 972e1985d48f6da24ea934886d5e5166a8b99435 (diff) | |
| download | gcc-036c9eb5d91e589ec10bb753ba2066963f9bcccc.zip gcc-036c9eb5d91e589ec10bb753ba2066963f9bcccc.tar.gz gcc-036c9eb5d91e589ec10bb753ba2066963f9bcccc.tar.bz2 | |
re PR c++/85108 (Incorrect warning for constexpr lambda with -Wunused-but-set-variable)
PR c++/85108
* g++.dg/warn/Wunused-var-31.C: New test.
From-SVN: r258952
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/warn/Wunused-var-31.C | 11 |
2 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 89712e3..788dbaa 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2018-03-29 Jakub Jelinek <jakub@redhat.com> + PR c++/85108 + * g++.dg/warn/Wunused-var-31.C: New test. + PR c/85094 * c-c++-common/Wduplicated-branches-14.c: New test. diff --git a/gcc/testsuite/g++.dg/warn/Wunused-var-31.C b/gcc/testsuite/g++.dg/warn/Wunused-var-31.C new file mode 100644 index 0000000..74c016b --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/Wunused-var-31.C @@ -0,0 +1,11 @@ +// PR c++/85108 +// { dg-do compile { target c++17 } } +// { dg-options "-Wunused-but-set-variable" } + +int +main () +{ + auto constexpr add = [] (auto a, auto b) { return a + b; }; // { dg-bogus "set but not used" } + auto test_lambda = [&] () { return add (2, 2); }; + return test_lambda () - 4; +} |