From cf80edbbbade52a842eb70ab4c5ad2b61cf152df Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Sun, 2 Oct 2016 14:33:31 +0200
Subject: [PATCH] Fix -jp=a mode for builtins.

---
 src/jit/p.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/jit/p.lua b/src/jit/p.lua
index 09b3b9fe..c9b6f307 100644
--- a/src/jit/p.lua
+++ b/src/jit/p.lua
@@ -156,6 +156,7 @@ local function prof_annotate(count1, samples)
     ms = math.max(ms, v)
     if pct >= prof_min then
       local file, line = k:match("^(.*):(%d+)$")
+      if not file then file = k; line = 0 end
       local fl = files[file]
       if not fl then fl = {}; files[file] = fl; files[#files+1] = file end
       line = tonumber(line)