diff options
| author | Dodji Seketeli <dodji@redhat.com> | 2010-05-17 17:24:32 +0000 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-05-17 19:24:32 +0200 |
| commit | ad13f2299cefa72529059e21385c4c49f1491181 (patch) | |
| tree | 786dcd92a7ad0fc0015905fd8c1894a4eca21613 /gcc/testsuite/c-c++-common/Wunused-var-8.c | |
| parent | f145213fcc63518e181ae5b74a38f75555f6a741 (diff) | |
| download | gcc-ad13f2299cefa72529059e21385c4c49f1491181.zip gcc-ad13f2299cefa72529059e21385c4c49f1491181.tar.gz gcc-ad13f2299cefa72529059e21385c4c49f1491181.tar.bz2 | |
re PR c++/44108 (-Wunused-but-set-variable does not consider array sizing use of a const variable)
PR c++/44108
* decl.c (compute_array_index_type): Call mark_rvalue_use.
* c-c++-common/Wunused-var-8.c: New test.
Co-Authored-By: Jason Merrill <jason@redhat.com>
From-SVN: r159497
Diffstat (limited to 'gcc/testsuite/c-c++-common/Wunused-var-8.c')
| -rw-r--r-- | gcc/testsuite/c-c++-common/Wunused-var-8.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/Wunused-var-8.c b/gcc/testsuite/c-c++-common/Wunused-var-8.c new file mode 100644 index 0000000..0923b35 --- /dev/null +++ b/gcc/testsuite/c-c++-common/Wunused-var-8.c @@ -0,0 +1,19 @@ +/* Origin: PR c++/44108 */ +/* { dg-options "-Wunused" } */ +/* { dg-do compile } */ + +int +foo () +{ + unsigned int M = 2; + const unsigned int M_CONST = 2; + static unsigned int M_STATIC = 2; + static const unsigned int M_STATIC_CONST = 2; + + char n1[M]; + char n2[M_CONST]; + char n3[M_STATIC]; + char n4[M_STATIC_CONST]; + + return sizeof (n1) + sizeof (n2) + sizeof (n3) + sizeof (n4); +} |