Revert "Merge snabbco#1242 branch 'lukego/jit-tracebarrier' into next"

This reverts commit e8d0af7, reversing changes made to cd29714.
lukego · Dec 5, 2017 · 2a33b5a · 2a33b5a
1 parent 2d790f5
commit 2a33b5a
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diff --git a/lib/luajit/src/lib_jit.c b/lib/luajit/src/lib_jit.c
@@ -141,12 +141,6 @@ LJLIB_CF(jit_attach)
   return 0;
 }
 
-/* Calling this forces a trace stitch. */
-LJLIB_CF(jit_tracebarrier)
-{
-  return 0;
-}
-
 LJLIB_PUSH(top-5) LJLIB_SET(os)
 LJLIB_PUSH(top-4) LJLIB_SET(arch)
 LJLIB_PUSH(top-3) LJLIB_SET(version_num)

diff --git a/src/core/app.lua b/src/core/app.lua
@@ -82,7 +82,6 @@ end
 -- Run app:methodname() in protected mode (pcall). If it throws an
 -- error app will be marked as dead and restarted eventually.
 function with_restart (app, method)
-   jit.tracebarrier() -- don't mix engine and apps in traces
    local status, result
    if use_restart then
       -- Run fn in protected mode using pcall.
@@ -96,7 +95,6 @@ function with_restart (app, method)
    else
       status, result = true, method(app)
    end
-   jit.tracebarrier()
    return status, result
 end