[clang] [clang-repl] Fix PLT offset too large linker error on ARM (PR #78959)

[Stefan Gränitz via cfe-commits]

https://github.com/weliveindetail created https://github.com/llvm/llvm-project/pull/78959

I cross-compile clang-repl with GCC-10 on Ubuntu 20.04 and get this error when linking with gold: PLT offset too large, try linking with --long-plt

>From 0449f8fc14a703aae515db1696bbbee578914629 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Gr=C3=A4nitz?= <stefan.graenitz at gmail.com>
Date: Sat, 20 Jan 2024 11:13:45 +0100
Subject: [PATCH] [clang-repl] Fix linker error on ARM

Error in gold linker is: PLT offset too large, try linking with --long-plt
---
 clang/tools/clang-repl/CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/clang/tools/clang-repl/CMakeLists.txt b/clang/tools/clang-repl/CMakeLists.txt
index 2ccbe292fd49e09..8589e37418354e7 100644
--- a/clang/tools/clang-repl/CMakeLists.txt
+++ b/clang/tools/clang-repl/CMakeLists.txt
@@ -22,3 +22,7 @@ clang_target_link_libraries(clang-repl PRIVATE
 if(CLANG_PLUGIN_SUPPORT)
   export_executable_symbols_for_plugins(clang-repl)
 endif()
+
+if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "ARM")
+  target_link_options(clang-repl PRIVATE LINKER:--long-plt)
+endif()