[llvm] Support building with c++23 (#154372)

closes #154331 

This PR addresses all minimum changes needed to compile LLVM and MLIR
with the c++23 standard.
It is a work in progress and to be reviewed for better methods of
handling the parts of the build broken by c++23.

1 files changed, 6 insertions, 6 deletions

diff --git a/llvm/lib/CodeGen/LiveDebugVariables.cpp b/llvm/lib/CodeGen/LiveDebugVariables.cpp
index f12f437..9d98e6c 100644
--- a/llvm/lib/CodeGen/LiveDebugVariables.cpp
+++ b/llvm/lib/CodeGen/LiveDebugVariables.cpp
@@ -536,12 +536,6 @@ public:
 
 namespace llvm {
 
-/// Implementation of the LiveDebugVariables pass.
-
-LiveDebugVariables::LiveDebugVariables() = default;
-LiveDebugVariables::~LiveDebugVariables() = default;
-LiveDebugVariables::LiveDebugVariables(LiveDebugVariables &&) = default;
-
 class LiveDebugVariables::LDVImpl {
   LocMap::Allocator allocator;
   MachineFunction *MF = nullptr;
@@ -683,6 +677,12 @@ public:
   void print(raw_ostream&);
 };
 
+/// Implementation of the LiveDebugVariables pass.
+
+LiveDebugVariables::LiveDebugVariables() = default;
+LiveDebugVariables::~LiveDebugVariables() = default;
+LiveDebugVariables::LiveDebugVariables(LiveDebugVariables &&) = default;
+
 } // namespace llvm
 
 static void printDebugLoc(const DebugLoc &DL, raw_ostream &CommentOS,