Pattern matching pin operator against expression [Feature #17411]

This commit is based on the patch by @nobu.

1 files changed, 1 insertions, 0 deletions

diff --git a/compile.c b/compile.c
index 78870ee051..230b800529 100644
--- a/compile.c
+++ b/compile.c
@@ -6211,6 +6211,7 @@ iseq_compile_pattern_each(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *c
       case NODE_NIL:
       case NODE_COLON2:
       case NODE_COLON3:
+      case NODE_BEGIN:
         CHECK(COMPILE(ret, "case in literal", node));
         ADD_INSN1(ret, line, checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE));
         ADD_INSNL(ret, line, branchif, matched);