From cb0fde21e558c20041425d8e02e06741c2f7b232 Mon Sep 17 00:00:00 2001
From: Dan Bonachea <dobonachea@lbl.gov>
Date: Mon, 14 Sep 2026 15:00:01 -0700
Subject: [PATCH 1/3] CI: Add LFortran 0.66

---
 .github/workflows/build.yml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3f0d6a3..48d6e9b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -141,6 +141,10 @@ jobs:
             compiler: lfortran
             version: 0.65.0
             container: ghcr.io/lfortran/lfortran:v0.65.0
+          - os: ubuntu-22.04
+            compiler: lfortran
+            version: 0.66.0
+            container: ghcr.io/lfortran/lfortran:v0.66.0
           - os: ubuntu-22.04
             compiler: lfortran
             version: latest

From c340d6b5c76d73abc32980d7524275a4210a2e39 Mon Sep 17 00:00:00 2001
From: Dan Bonachea <dobonachea@lbl.gov>
Date: Mon, 14 Sep 2026 15:16:40 -0700
Subject: [PATCH 2/3] CI: Add flang-23 Linux/ARM64 coverage

---
 .github/workflows/build.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 48d6e9b..68dc437 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -69,6 +69,11 @@ jobs:
             container: snowstep/llvm:ubuntu-22.04-latest
 
           # https://hub.docker.com/r/phhargrove/llvm-flang/tags
+          - os: ubuntu-24.04-arm
+            compiler: flang
+            version: 23
+            container: phhargrove/llvm-flang:23.1.0-latest-arm64
+
           - os: ubuntu-24.04
             compiler: flang
             version: 23

From 27a5cfd91f35aa94e05b0bda570e14ba6a8fbb3f Mon Sep 17 00:00:00 2001
From: Dan Bonachea <dobonachea@lbl.gov>
Date: Mon, 14 Sep 2026 15:21:44 -0700
Subject: [PATCH 3/3] CI: Adjust Build FPM action

Ensure FPM build artifacts land in an isolated directory
---
 .github/workflows/build.yml | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 68dc437..a8d866d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -276,10 +276,11 @@ jobs:
       if: ${{ runner.os == 'Linux' && runner.arch == 'ARM64' }}
       run: |
         export FPM_VERSION=0.13.0
+        mkdir -p fpm-temp/bin
+        cd fpm-temp
         curl --retry 5 -LOsS https://github.com/fortran-lang/fpm/releases/download/v$FPM_VERSION/fpm-$FPM_VERSION.F90
-        mkdir fpm-temp
-        gfortran-14 -o fpm-temp/fpm fpm-$FPM_VERSION.F90
-        echo "PATH=`pwd`/fpm-temp:${PATH}" >> "$GITHUB_ENV"
+        gfortran-14 -o bin/fpm fpm-$FPM_VERSION.F90
+        echo "PATH=$PWD/bin:${PATH}" >> "$GITHUB_ENV"
 
     - name: Version info
       run: |