[llvm] figure out why arm build is failing (PR #146580)

[Amy Huang via llvm-commits]

https://github.com/amykhuang created https://github.com/llvm/llvm-project/pull/146580

None

>From bc0f46b351e32dc44f8bf84ed80f593173eb48f0 Mon Sep 17 00:00:00 2001
From: Amy Huang <akhuang at google.com>
Date: Tue, 1 Jul 2025 10:53:10 -0700
Subject: [PATCH] figure out why arm build is failing

---
 .github/workflows/libc-fullbuild-tests.yml | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/libc-fullbuild-tests.yml b/.github/workflows/libc-fullbuild-tests.yml
index 24d75f58d45e0..cac80c0f4ad3f 100644
--- a/.github/workflows/libc-fullbuild-tests.yml
+++ b/.github/workflows/libc-fullbuild-tests.yml
@@ -15,9 +15,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        build_type: [Debug, Release, MinSizeRel]
         include:
           - os: ubuntu-24.04
+            build_type: Debug
+            ccache-variant: sccache
+            c_compiler: clang-21
+            cpp_compiler: clang++-21
+            target: x86_64-unknown-linux-llvm
+            include_scudo: ON
+          - os: ubuntu-24.04
+            build_type: MinSizeRel
             ccache-variant: sccache
             c_compiler: clang-21
             cpp_compiler: clang++-21
@@ -25,12 +32,14 @@ jobs:
             include_scudo: ON
           # TODO: remove ccache logic when https://github.com/hendrikmuhs/ccache-action/issues/279 is resolved.
           - os: ubuntu-24.04-arm
+            build_type: Debug
             ccache-variant: ccache
             c_compiler: clang-21
             cpp_compiler: clang++-21
             target: aarch64-unknown-linux-llvm
             include_scudo: ON
           - os: ubuntu-24.04
+            build_type: Debug
             ccache-variant: ccache
             c_compiler: clang-21
             cpp_compiler: clang++-21