[clang] 96065cf - [Syntax] Silence "unused function" warning in no-assert builds. NFC

[Ilya Biryukov via cfe-commits]

Author: Ilya Biryukov
Date: 2019-11-07T09:37:25+01:00
New Revision: 96065cf79ff76d5fd4fdaeb2fb2650074b3e0e51

URL: https://github.com/llvm/llvm-project/commit/96065cf79ff76d5fd4fdaeb2fb2650074b3e0e51
DIFF: https://github.com/llvm/llvm-project/commit/96065cf79ff76d5fd4fdaeb2fb2650074b3e0e51.diff

LOG: [Syntax] Silence "unused function" warning in no-assert builds. NFC

A helper `isImpicitExpr` is only used inside assert.

Added: 
    

Modified: 
    clang/lib/Tooling/Syntax/BuildTree.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Tooling/Syntax/BuildTree.cpp b/clang/lib/Tooling/Syntax/BuildTree.cpp
index 1be23f7e7978..dddc265c8c41 100644
--- a/clang/lib/Tooling/Syntax/BuildTree.cpp
+++ b/clang/lib/Tooling/Syntax/BuildTree.cpp
@@ -21,12 +21,14 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/Casting.h"
+#include "llvm/Support/Compiler.h"
 #include "llvm/Support/FormatVariadic.h"
 #include "llvm/Support/raw_ostream.h"
 #include <map>
 
 using namespace clang;
 
+LLVM_ATTRIBUTE_UNUSED
 static bool isImplicitExpr(clang::Expr *E) { return E->IgnoreImplicit() != E; }
 
 /// A helper class for constructing the syntax tree while traversing a clang