1 files changed, 5 insertions, 0 deletions
diff --git a/parse.y b/parse.y
index e9f0a0ff87..324ad6b852 100644
--- a/parse.y
+++ b/parse.y
@@ -622,8 +622,13 @@ struct rb_strterm_heredoc_struct {
 # define HERETERM_LENGTH_MAX UINT_MAX
 #endif
     ;
+#if HERETERM_LENGTH_BITS < SIZEOF_INT * CHAR_BIT
     unsigned quote: 1;
+    unsigned func: 8;
+#else
+    uint8_t quote;
     uint8_t func;
+#endif
 };
 STATIC_ASSERT(rb_strterm_heredoc_t, sizeof(rb_strterm_heredoc_t) <= 4 * SIZEOF_VALUE);