Start gating on auto-linux-64-debug-opt

Don't run `make check`, however.

Author: alexcrichton

master/master.cfg

@@ -181,8 +181,7 @@ nogate_builders = [
     "auto-freebsd10_64-1",
     "auto-dragonflybsd-64-opt",
     "auto-openbsd-64-opt",
-    "auto-linux-cross-opt",
-    "auto-linux-64-debug-opt"
+    "auto-linux-cross-opt"
 ]
 dist_nogate_platforms = [
     "nightly-dist-rustc-cross-linux",
@@ -1491,9 +1490,11 @@ for p in auto_platforms:
     opt_compiler = True
     opt_tests = True
     debug = False
+    chk = True
 
     if "-debug" in p:
         debug = True
+        chk = False
 
     if "-nopt-c" in p:
         opt_compiler = False
@@ -1505,7 +1506,6 @@ for p in auto_platforms:
     if "-vg" in p:
         vg = True
 
-    chk = True
     musl = None
     targets = []
     if "-all" in p: