[llvm] [AMDGPU] Include `<cstdint>` in AMDGPUMCTargetDesc (PR #101766)

[Sam James via llvm-commits]

https://github.com/thesamesam created https://github.com/llvm/llvm-project/pull/101766

createAMDGPUELFObjectWriter uses `uint8_t` without including `<cstdint>` which fails to build w/ GCC 15 after a change in libstdc++ [0].

[0] https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=3a817a4a5a6d94da9127af3be9f84a74e3076ee2

>From 5b69d0cf697f0d78406a5a7ed18eaa4f57a0580a Mon Sep 17 00:00:00 2001
From: Sam James <sam at gentoo.org>
Date: Fri, 2 Aug 2024 23:38:55 +0100
Subject: [PATCH] [AMDGPU] Include `<cstdint>` in AMDGPUMCTargetDesc

createAMDGPUELFObjectWriter uses `uint8_t` without including `<cstdint>`
which fails to build w/ GCC 15 after a change in libstdc++ [0].

[0] https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=3a817a4a5a6d94da9127af3be9f84a74e3076ee2
---
 llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCTargetDesc.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCTargetDesc.h b/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCTargetDesc.h
index 3ef00f75735b0..879dbe1b279b1 100644
--- a/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCTargetDesc.h
+++ b/llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUMCTargetDesc.h
@@ -15,6 +15,7 @@
 #ifndef LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUMCTARGETDESC_H
 #define LLVM_LIB_TARGET_AMDGPU_MCTARGETDESC_AMDGPUMCTARGETDESC_H
 
+#include <cstdint>
 #include <memory>
 
 namespace llvm {