[llvm] e6e5e3e - [llvm-readobj] Fix forward build breakages caused by https://reviews.llvm.org/rG33b3c86afab06ad61d46456c85c0b565cfff8287

[Vy Nguyen via llvm-commits]

Author: Vy Nguyen
Date: 2022-03-31T15:22:51-04:00
New Revision: e6e5e3e025ec1ccb8ebaff6ce4d6212edc491602

URL: https://github.com/llvm/llvm-project/commit/e6e5e3e025ec1ccb8ebaff6ce4d6212edc491602
DIFF: https://github.com/llvm/llvm-project/commit/e6e5e3e025ec1ccb8ebaff6ce4d6212edc491602.diff

LOG: [llvm-readobj] Fix forward build breakages caused by https://reviews.llvm.org/rG33b3c86afab06ad61d46456c85c0b565cfff8287

Change: use std::function instead of function_ref because it's not safe to store a function_ref

(original phab: https://reviews.llvm.org/D116787)

Added: 
    

Modified: 
    llvm/tools/llvm-readobj/ObjDumper.h

Removed: 
    


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diff  --git a/llvm/tools/llvm-readobj/ObjDumper.h b/llvm/tools/llvm-readobj/ObjDumper.h
index c1edf981cf2a6..a7633301c5ab5 100644
--- a/llvm/tools/llvm-readobj/ObjDumper.h
+++ b/llvm/tools/llvm-readobj/ObjDumper.h
@@ -9,6 +9,7 @@
 #ifndef LLVM_TOOLS_LLVM_READOBJ_OBJDUMPER_H
 #define LLVM_TOOLS_LLVM_READOBJ_OBJDUMPER_H
 
+#include <functional.
 #include <memory>
 #include <system_error>
 
@@ -44,7 +45,7 @@ class ScopedPrinter;
 class SymbolComparator {
 public:
   using CompPredicate =
-      function_ref<bool(object::SymbolRef, object::SymbolRef)>;
+      std::function<bool(object::SymbolRef, object::SymbolRef)>;
 
   // Each Obj format has a slightly 
diff erent way of retrieving a symbol's info
   // So we defer the predicate's impl to each format.