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author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-05-17 17:24:32 +0000 |
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committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-05-17 17:24:32 +0000 |
commit | d7e4f0dbffc772e8f40d2d91ccd517727cfb2267 (patch) | |
tree | 786dcd92a7ad0fc0015905fd8c1894a4eca21613 /gcc | |
parent | febcf1b8e1ae674ed82a1586b4a9b41a962b76d3 (diff) | |
download | gcc-d7e4f0dbffc772e8f40d2d91ccd517727cfb2267.tar.gz |
PR c++/44108
* decl.c (compute_array_index_type): Call mark_rvalue_use.
* c-c++-common/Wunused-var-8.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159497 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/cp/decl.c | 2 | ||||
-rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/testsuite/c-c++-common/Wunused-var-8.c | 19 |
4 files changed, 33 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 84b8ae53350..acc111f7569 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2010-05-17 Dodji Seketeli <dodji@redhat.com> + Jason Merrill <jason@redhat.com> + + PR c++/44108 + * decl.c (compute_array_index_type): Call mark_rvalue_use. + 2010-05-15 Jason Merrill <jason@redhat.com> * cp-tree.h (TYPE_NOEXCEPT_P): New macro. diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c index 148bcf5d55a..0636aba01e2 100644 --- a/gcc/cp/decl.c +++ b/gcc/cp/decl.c @@ -7369,6 +7369,8 @@ compute_array_index_type (tree name, tree size) /* The size might be the result of a cast. */ STRIP_TYPE_NOPS (size); + size = mark_rvalue_use (size); + /* It might be a const variable or enumeration constant. */ size = integral_constant_value (size); if (error_operand_p (size)) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index fcc6968b19d..2d31000e6bf 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2010-05-17 Dodji Seketeli <dodji@redhat.com> + Jason Merrill <jason@redhat.com> + + PR c++/44108 + * c-c++-common/Wunused-var-8.c: New test. + 2010-05-17 Jakub Jelinek <jakub@redhat.com> PR bootstrap/42347 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 00000000000..0923b355662 --- /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); +} |