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| author | Ian Lance Taylor <iant@google.com> | 2012-03-08 23:33:04 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2012-03-08 23:33:04 +0000 |
| commit | 7d6be4c870c2a1fdb694222ee1f750badc3b3d8a (patch) | |
| tree | 7a5ccba6a082f2d0a7ecff65d3eef03f31a471da /gcc/go/gofrontend | |
| parent | b97190553d2798af4c5c8e6e775b942e458ba09e (diff) | |
| download | gcc-7d6be4c870c2a1fdb694222ee1f750badc3b3d8a.zip gcc-7d6be4c870c2a1fdb694222ee1f750badc3b3d8a.tar.gz gcc-7d6be4c870c2a1fdb694222ee1f750badc3b3d8a.tar.bz2 | |
compiler: Don't initialize zero sized variables.
* go-gcc.cc (Gcc_backend::init_statement): Don't initialize a
zero-sized variable.
(go_non_zero_struct): New global variable.
(Gcc_backend::non_zero_size_type): New function.
(Gcc_backend::global_variable): Don't build an assignment for a
zero-sized value.
* go-c.h (go_non_zero_struct): Declare.
* config-lang.in (gtfiles): Add go-c.h.
From-SVN: r185115
Diffstat (limited to 'gcc/go/gofrontend')
| -rw-r--r-- | gcc/go/gofrontend/gogo-tree.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/go/gofrontend/gogo-tree.cc b/gcc/go/gofrontend/gogo-tree.cc index 603b97e..fa22932 100644 --- a/gcc/go/gofrontend/gogo-tree.cc +++ b/gcc/go/gofrontend/gogo-tree.cc @@ -843,7 +843,9 @@ Gogo::write_globals() this->backend()->global_variable_set_init(var, tree_to_expr(init)); } - else if (is_sink) + else if (is_sink + || int_size_in_bytes(TREE_TYPE(init)) == 0 + || int_size_in_bytes(TREE_TYPE(vec[i])) == 0) var_init_tree = init; else var_init_tree = fold_build2_loc(no->location().gcc_location(), |