rescue clause should understand splats; close #1786

src/codegen.c

@@ -1183,7 +1183,12 @@ codegen(codegen_scope *s, node *tree, int val)
             }
             genop(s, MKOP_AB(OP_MOVE, cursp(), exc));
             pop();
-            genop(s, MKOP_ABC(OP_SEND, cursp(), new_msym(s, mrb_intern_lit(s->mrb, "===")), 1));
+            if (n4 && n4->car && (intptr_t)n4->car->car == NODE_SPLAT) {
+              genop(s, MKOP_ABC(OP_SEND, cursp(), new_msym(s, mrb_intern_lit(s->mrb, "__case_eqq")), 1));
+            }
+            else {
+              genop(s, MKOP_ABC(OP_SEND, cursp(), new_msym(s, mrb_intern_lit(s->mrb, "===")), 1));
+            }
             tmp = new_label(s);
             genop(s, MKOP_AsBx(OP_JMPIF, cursp(), pos2));
             pos2 = tmp;