Merge maint1.mysql.com:/data/localhome/tsmith/bk/bfx/my41-bfx

into  maint1.mysql.com:/data/localhome/tsmith/bk/bfx/my50-bfx

sql/mysqld.cc

@@ -7041,10 +7041,10 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
     }
     switch (method-1) {
     case 0:
-      method_conv= MI_STATS_METHOD_NULLS_EQUAL;
+      method_conv= MI_STATS_METHOD_NULLS_NOT_EQUAL;
       break;
     case 1:
-      method_conv= MI_STATS_METHOD_NULLS_NOT_EQUAL;
+      method_conv= MI_STATS_METHOD_NULLS_EQUAL;
       break;
     case 2:
       method_conv= MI_STATS_METHOD_IGNORE_NULLS;

sql/stacktrace.c

@@ -44,7 +44,6 @@ void safe_print_str(const char* name, const char* val, int max_len)
 }
 
 #ifdef TARGET_OS_LINUX
-/* Force merge conflict, to avoid bk automerge */
 #define SIGRETURN_FRAME_COUNT  2
 
 #if defined(__alpha__) && defined(__GNUC__)

sql/stacktrace.h

@@ -19,7 +19,7 @@ extern "C" {
 #endif
 
 #ifdef TARGET_OS_LINUX
-#if defined(HAVE_STACKTRACE) || (defined (__i386__) || (defined(__alpha__) && defined(__GNUC__))) /* Force conflict to avoid bk automerge */
+#if defined(HAVE_STACKTRACE) || (defined (__i386__) || (defined(__alpha__) && defined(__GNUC__)))
 #undef HAVE_STACKTRACE
 #define HAVE_STACKTRACE