From 06461a465beca10bfd39c2d879d40ee92b4582c0 Mon Sep 17 00:00:00 2001
From: Daniel Lemire <lemire@gmail.com>
Date: Mon, 3 Jun 2019 14:25:22 -0400
Subject: [PATCH] Tweaking.

---
 src/stage1_find_marks.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/stage1_find_marks.cpp b/src/stage1_find_marks.cpp
index 5ee7ca231..3c953b245 100644
--- a/src/stage1_find_marks.cpp
+++ b/src/stage1_find_marks.cpp
@@ -448,6 +448,7 @@ really_inline void find_whitespace_and_structurals(simd_input in,
 really_inline void flatten_bits(uint32_t *base_ptr, uint32_t &base,
                                 uint32_t idx, uint64_t bits) {
   uint32_t * out_ptr = base_ptr + base;
+  idx -= 64;
   while(bits != 0) {
       out_ptr[0] = idx + trailingzeroes(bits);
       bits = bits & (bits - 1);