[llvm] [libc][ci] Add arm-linux-gnueabihf toolchain to libc docker image. (PR #202099)

[via llvm-commits]

https://github.com/lntue created https://github.com/llvm/llvm-project/pull/202099

To prevent regression for arm-linux-gnueabihf target.  See https://github.com/llvm/llvm-project/issues/201678

>From 525518aa8cdc2ca4e55dbcd8e3f84c3674ab23de Mon Sep 17 00:00:00 2001
From: Tue Ly <lntue.h at gmail.com>
Date: Sun, 7 Jun 2026 00:56:19 +0000
Subject: [PATCH] [libc][ci] Add arm-linux-gnueabihf toolchain to libc docker
 image.

---
 .github/workflows/containers/libc/Dockerfile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/containers/libc/Dockerfile b/.github/workflows/containers/libc/Dockerfile
index f7c6ea7ba23dd..69f5b11cead62 100644
--- a/.github/workflows/containers/libc/Dockerfile
+++ b/.github/workflows/containers/libc/Dockerfile
@@ -26,6 +26,8 @@ RUN apt-get update && \
     libstdc++6-ppc64el-cross \
     gcc-powerpc64le-linux-gnu \
     g++-powerpc64le-linux-gnu \
+    gcc-12-arm-linux-gnueabihf \
+    g++-12-arm-linux-gnueabihf \
     sudo \
     sccache \
     wget \