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

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 84b8ae5..acc111f 100644 (file)
--- 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 148bcf5..0636aba 100644 (file)
--- 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 fcc6968..2d31000 100644 (file)
--- 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