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| author | Jason Merrill <jason@redhat.com> | 2013-07-13 19:10:17 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2013-07-13 19:10:17 -0400 |
| commit | 26d40c3d4bd444bcd3dc2d44d1a405dfb8db07ec (patch) | |
| tree | 88c4036b688de6468ab9634a8b01f802b6d40a1c /gcc/cp/class.c | |
| parent | 53db1bc08e4450cb53975377c209ff9cc9bfca9b (diff) | |
| download | gcc-26d40c3d4bd444bcd3dc2d44d1a405dfb8db07ec.zip gcc-26d40c3d4bd444bcd3dc2d44d1a405dfb8db07ec.tar.gz gcc-26d40c3d4bd444bcd3dc2d44d1a405dfb8db07ec.tar.bz2 | |
re PR c++/57793 (ICE with bitfields in get_bit_range)
PR c++/57793
c/
* c-decl.c (finish_struct): Check for too-large class.
cp/
* class.c (layout_class_type): Check for too-large class.
From-SVN: r200938
Diffstat (limited to 'gcc/cp/class.c')
| -rw-r--r-- | gcc/cp/class.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/cp/class.c b/gcc/cp/class.c index e516632..45652a6 100644 --- a/gcc/cp/class.c +++ b/gcc/cp/class.c @@ -6237,6 +6237,12 @@ layout_class_type (tree t, tree *virtuals_p) /* Let the back end lay out the type. */ finish_record_layout (rli, /*free_p=*/true); + if (TYPE_SIZE_UNIT (t) + && TREE_CODE (TYPE_SIZE_UNIT (t)) == INTEGER_CST + && !TREE_OVERFLOW (TYPE_SIZE_UNIT (t)) + && !valid_constant_size_p (TYPE_SIZE_UNIT (t))) + error ("type %qT is too large", t); + /* Warn about bases that can't be talked about due to ambiguity. */ warn_about_ambiguous_bases (t); |