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| author | Paolo Carlini <paolo.carlini@oracle.com> | 2012-10-31 19:14:39 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2012-10-31 19:14:39 +0000 |
| commit | 03d31730bfa422561a7e62915eb2c304bac27f19 (patch) | |
| tree | d339efb27257d9e65568af0b81ffe366c045baa2 /gcc/cp/tree.c | |
| parent | 4d64ce5c057fe0d3cd601d3e6b03b76f2989f13d (diff) | |
| download | gcc-03d31730bfa422561a7e62915eb2c304bac27f19.zip gcc-03d31730bfa422561a7e62915eb2c304bac27f19.tar.gz gcc-03d31730bfa422561a7e62915eb2c304bac27f19.tar.bz2 | |
re PR c++/54583 (Spurious warning: value computed is not used with variable-size array)
/cp
2012-10-31 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/54583
* tree.c (build_cplus_array_type): Set TREE_NO_WARNING on the
TYPE_SIZE of VLAs.
/testsuite
2012-10-31 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/54583
* g++.dg/ext/vla13.C: New.
From-SVN: r193043
Diffstat (limited to 'gcc/cp/tree.c')
| -rw-r--r-- | gcc/cp/tree.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c index 8d555c2..bcc2779 100644 --- a/gcc/cp/tree.c +++ b/gcc/cp/tree.c @@ -824,6 +824,10 @@ build_cplus_array_type (tree elt_type, tree index_type) } } + /* Avoid spurious warnings with VLAs (c++/54583). */ + if (TYPE_SIZE (t) && EXPR_P (TYPE_SIZE (t))) + TREE_NO_WARNING (TYPE_SIZE (t)) = 1; + /* Push these needs up so that initialization takes place more easily. */ TYPE_NEEDS_CONSTRUCTING (t) |