switch.c: Note about performance

1 files changed, 3 insertions, 0 deletions

diff --git a/switch.c b/switch.c
index c9437ed..1bed263 100644
--- a/switch.c
+++ b/switch.c
@@ -68,6 +68,9 @@ switch_check (ast_t *ast)
      * like "2.0" and "2" compare equal? It is just much simpler and more
      * robust to rely on the EQUAL operator, which is what the interpreter
      * is using anyway.
+     *
+     * With 200000 cases in a single switch, this function completely
+     * dominates the profile, so maybe do something about it some day.
      */
     bool = ast_type_spec_new (AST_BOOL_TYPE);