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| author | Martin Sebor <msebor@redhat.com> | 2019-02-03 21:48:27 +0000 |
|---|---|---|
| committer | Martin Sebor <msebor@gcc.gnu.org> | 2019-02-03 14:48:27 -0700 |
| commit | 0b841214a8c8a56d4c4d391fddf780faba3f5748 (patch) | |
| tree | fe1a6d5131772f7c81ca4b0ac8ed6fbe7f14bdd5 /gcc | |
| parent | 6090f915917f433509168b20c2ea9c3b4096c024 (diff) | |
| download | gcc-0b841214a8c8a56d4c4d391fddf780faba3f5748.zip gcc-0b841214a8c8a56d4c4d391fddf780faba3f5748.tar.gz gcc-0b841214a8c8a56d4c4d391fddf780faba3f5748.tar.bz2 | |
PR c++/44648 - missing -Wunused warning on a const variable in if statement
gcc/testsuite/ChangeLog:
* g++.dg/warn/Wunused-var-35.C: New test.
From-SVN: r268503
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/warn/Wunused-var-35.C | 19 |
2 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 30ac08b..3bcef91 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-02-03 Martin Sebor <msebor@redhat.com> + + PR c++/44648 + * g++.dg/warn/Wunused-var-35.C: New test. + 2019-02-03 Richard Biener <rguenther@suse.de> PR debug/87295 diff --git a/gcc/testsuite/g++.dg/warn/Wunused-var-35.C b/gcc/testsuite/g++.dg/warn/Wunused-var-35.C new file mode 100644 index 0000000..6e1308c --- /dev/null +++ b/gcc/testsuite/g++.dg/warn/Wunused-var-35.C @@ -0,0 +1,19 @@ +// PR c++/44648 - missing -Wunused warning on a const variable in if statement +// { dg-do compile } +// { dg-options "-Wunused" } + +int main() +{ + bool b0 = 1; // { dg-warning "\\\[-Wunused-variable\\\]" } + const bool b00 = 1; // { dg-warning "\\\[-Wunused-variable\\\]" } + if (bool b1 = 1) // { dg-warning "\\\[-Wunused-variable\\\]" } + return 0; + else + return 1; + + if (const bool b2 = 1) // { dg-warning "\\\[-Wunused-variable\\\]" "bug" { xfail c++98_only } } + return 0; + else + return 1; +} + |