diff options
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index 94b99a1..99ae5ee 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -4417,6 +4417,11 @@ gimplify_modify_expr_rhs (tree *expr_p, tree *from_p, tree *to_p, /* It's OK to use the target directly if it's being initialized. */ use_target = true; + else if (variably_modified_type_p (TREE_TYPE (*to_p), NULL_TREE)) + /* Always use the target and thus RSO for variable-sized types. + GIMPLE cannot deal with a variable-sized assignment + embedded in a call statement. */ + use_target = true; else if (TREE_CODE (*to_p) != SSA_NAME && (!is_gimple_variable (*to_p) || needs_to_live_in_memory (*to_p))) |