Make yield in singleton class definitions in methods a SyntaxError

This behavior was deprecated in 2.7 and scheduled to be removed
in 3.0.

Calling yield in a class definition outside a method is now a
SyntaxError instead of a LocalJumpError, as well.

1 files changed, 3 insertions, 10 deletions

diff --git a/compile.c b/compile.c
index e57ad4498a..e9ce106eca 100644
--- a/compile.c
+++ b/compile.c
@@ -7096,20 +7096,13 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, const NODE *node, int poppe
 }
 
 static int
-check_yield_place(const rb_iseq_t *iseq, int line)
+check_yield_place(const rb_iseq_t *iseq)
 {
-    VALUE file;
     switch (iseq->body->local_iseq->body->type) {
       case ISEQ_TYPE_TOP:
       case ISEQ_TYPE_MAIN:
-        return FALSE;
       case ISEQ_TYPE_CLASS:
-        file = rb_iseq_path(iseq);
-        if (rb_warning_category_enabled_p(RB_WARN_CATEGORY_DEPRECATED)) {
-            rb_compile_warn(RSTRING_PTR(file), line,
-                            "`yield' in class syntax will not be supported from Ruby 3.0. [Feature #15575]");
-        }
-        return TRUE;
+        return FALSE;
       default:
         return TRUE;
     }
@@ -7836,7 +7829,7 @@ iseq_compile_each0(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *node, in
 
 	INIT_ANCHOR(args);
 
-        if (check_yield_place(iseq, line) == FALSE) {
+        if (check_yield_place(iseq) == FALSE) {
 	    COMPILE_ERROR(ERROR_ARGS "Invalid yield");
             goto ng;
         }