error: use of overloaded operator '<<' is ambiguous (with operand types 'std::ostream' (aka 'basic_ostream<char>') and 'const std::nullptr_t')

[ssslifengxiang]

--- a/llvm_propeller_cfg.h
+++ b/llvm_propeller_cfg.h
@@ -108,7 +108,7 @@ class CFGNode final {
 
   void set_freq(uint64_t freq) { freq_ = freq; }
   void set_bundle(CFGNodeBundle *bundle) {
-    DCHECK_EQ(bundle_, nullptr);
+    //DCHECK_EQ(bundle_, nullptr);
     bundle_ = bundle;
   }

after this modify can compile success

https://github.com/google/glog/issues/562

[PandaBlueYellow]

There is a fix in glog: google/glog#641
I think this repo needs to point to the newer version of glog.