gistfile1.txt

diff --git a/sqlite/src/sqlite3.c b/sqlite/src/sqlite3.c
--- a/sqlite/src/sqlite3.c
+++ b/sqlite/src/sqlite3.c
@@ -25165,6 +25165,7 @@ SQLITE_PRIVATE int sqlite3MutexInit(void
   GLOBAL(int, mutexIsInit) = 1;
 #endif
 
+  sqlite3MemoryBarrier();
   return rc;
 }
 
@@ -155363,7 +155364,10 @@ SQLITE_API int sqlite3_initialize(void){
   ** must be complete.  So isInit must not be set until the very end
   ** of this routine.
   */
-  if( sqlite3GlobalConfig.isInit ) return SQLITE_OK;
+  if( sqlite3GlobalConfig.isInit ) {
+    sqlite3MemoryBarrier();
+    return SQLITE_OK;
+  }
 
   /* Make sure the mutex subsystem is initialized.  If unable to 
   ** initialize the mutex subsystem, return early with the error.