From 7fa27ce4a07f19b07799a767fc29416f3b625afb Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 26 Jul 2023 21:03:47 +0200
Subject: Vendor import of llvm-project main
 llvmorg-17-init-19304-gd0b54bb50e51, the last commit before the upstream
 release/17.x branch was created.

---
 llvm/lib/TextAPI/Symbol.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'llvm/lib/TextAPI/Symbol.cpp')

diff --git a/llvm/lib/TextAPI/Symbol.cpp b/llvm/lib/TextAPI/Symbol.cpp
index 041f553c66f3..20fa6362716a 100644
--- a/llvm/lib/TextAPI/Symbol.cpp
+++ b/llvm/lib/TextAPI/Symbol.cpp
@@ -54,5 +54,23 @@ Symbol::targets(ArchitectureSet Architectures) const {
   return make_filter_range(Targets, FN);
 }
 
+bool Symbol::operator==(const Symbol &O) const {
+  // Older Tapi files do not express all these symbol flags. In those
+  // cases, ignore those differences.
+  auto RemoveFlag = [](const Symbol &Sym, SymbolFlags &Flag) {
+    if (Sym.isData())
+      Flag &= ~SymbolFlags::Data;
+    if (Sym.isText())
+      Flag &= ~SymbolFlags::Text;
+  };
+  SymbolFlags LHSFlags = Flags;
+  SymbolFlags RHSFlags = O.Flags;
+  // Ignore Text and Data for now.
+  RemoveFlag(*this, LHSFlags);
+  RemoveFlag(O, RHSFlags);
+  return std::tie(Name, Kind, Targets, LHSFlags) ==
+         std::tie(O.Name, O.Kind, O.Targets, RHSFlags);
+}
+
 } // end namespace MachO.
 } // end namespace llvm.
-- 
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