From 1326609f665f6f202301bc6f7945d49e3cd1b72c Mon Sep 17 00:00:00 2001
From: Lucas Prates <lucas.prates@arm.com>
Date: Mon, 18 Dec 2023 11:59:26 +0000
Subject: [PATCH] fixup! [AsmWriter] Ensure getMnemonic doesn't return invalid
 pointers

---
 llvm/lib/MC/MCAsmStreamer.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/llvm/lib/MC/MCAsmStreamer.cpp b/llvm/lib/MC/MCAsmStreamer.cpp
index 532ac89bf9ff76..49668de27d67e7 100644
--- a/llvm/lib/MC/MCAsmStreamer.cpp
+++ b/llvm/lib/MC/MCAsmStreamer.cpp
@@ -154,10 +154,10 @@ class MCAsmStreamer final : public MCStreamer {
   void emitGNUAttribute(unsigned Tag, unsigned Value) override;
 
   StringRef getMnemonic(MCInst &MI) override {
-    std::pair<const char *, uint64_t> M = InstPrinter->getMnemonic(&MI);
-    assert((M.second != 0 || M.first == nullptr) &&
+    auto [Ptr, Bits] = InstPrinter->getMnemonic(&MI);
+    assert((Bits != 0 || Ptr == nullptr) &&
            "Invalid char pointer for instruction with no mnemonic");
-    return M.first;
+    return Ptr;
   }
 
   void emitLabel(MCSymbol *Symbol, SMLoc Loc = SMLoc()) override;