[common] replace Common::BitCast with libc++ provided one (#2774)

Signed-off-by: lizzie <lizzie@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2774
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/shader_recompiler/frontend/ir/basic_block.h

@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 // SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
@@ -7,10 +10,10 @@
 #include <map>
 #include <span>
 #include <vector>
-
+#include <bit>
+#include <numeric>
 #include <boost/intrusive/list.hpp>
 
-#include "common/bit_cast.h"
 #include "common/common_types.h"
 #include "shader_recompiler/frontend/ir/condition.h"
 #include "shader_recompiler/frontend/ir/value.h"
@@ -70,13 +73,13 @@ public:
     /// Intrusively store the host definition of this instruction.
     template <typename DefinitionType>
     void SetDefinition(DefinitionType def) {
-        definition = Common::BitCast<u32>(def);
+        definition = std::bit_cast<u32>(def);
     }
 
     /// Return the intrusively stored host definition of this instruction.
     template <typename DefinitionType>
     [[nodiscard]] DefinitionType Definition() const noexcept {
-        return Common::BitCast<DefinitionType>(definition);
+        return std::bit_cast<DefinitionType>(definition);
     }
 
     void SetSsaRegValue(IR::Reg reg, const Value& value) noexcept {