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| author | Iain Sandoe <iain@sandoe.co.uk> | 2021-10-02 16:15:38 +0100 |
|---|---|---|
| committer | Iain Sandoe <iain@sandoe.co.uk> | 2021-10-03 21:03:56 +0100 |
| commit | fdf0b6ce6c1cfa1c328c0c40473c71ca11fd8303 (patch) | |
| tree | 5076292a7ea47921a9134dc1e7084969a9cf25aa /gcc/cp | |
| parent | 650beb110538097b9c3e8600149b333a83e7e836 (diff) | |
| download | gcc-fdf0b6ce6c1cfa1c328c0c40473c71ca11fd8303.zip gcc-fdf0b6ce6c1cfa1c328c0c40473c71ca11fd8303.tar.gz gcc-fdf0b6ce6c1cfa1c328c0c40473c71ca11fd8303.tar.bz2 | |
coroutines: Fail with a sorry when presented with a VLA [PR 101765].
We do not support this yet.
Signed-off-by: Iain Sandoe <iain@sandoe.co.uk>
PR c++/101765
gcc/cp/ChangeLog:
* coroutines.cc (register_local_var_uses): Emit a sorry if
we encounter a VLA in the coroutine local variables.
gcc/testsuite/ChangeLog:
* g++.dg/coroutines/pr101765.C: New test.
Diffstat (limited to 'gcc/cp')
| -rw-r--r-- | gcc/cp/coroutines.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/cp/coroutines.cc b/gcc/cp/coroutines.cc index 377b90c..9017902 100644 --- a/gcc/cp/coroutines.cc +++ b/gcc/cp/coroutines.cc @@ -3927,6 +3927,16 @@ register_local_var_uses (tree *stmt, int *do_subtree, void *d) if (local_var.is_static) continue; + poly_uint64 size; + if (TREE_CODE (lvtype) == ARRAY_TYPE + && !poly_int_tree_p (DECL_SIZE_UNIT (lvar), &size)) + { + sorry_at (local_var.def_loc, "variable length arrays are not" + " yet supported in coroutines"); + /* Ignore it, this is broken anyway. */ + continue; + } + lvd->local_var_seen = true; /* If this var is a lambda capture proxy, we want to leave it alone, and later rewrite the DECL_VALUE_EXPR to indirect through the |