Auto merge of #157258 - jieyouxu:jieyouxu/exp/macos-15-26-up-to-stage1-only, r=<try>

[EXPERIMENTAL] Do not look (part 2)

try-job: aarch64-apple-macos-15
try-job: aarch64-apple-macos-26

Author: bors

src/ci/github-actions/jobs.yml

@@ -26,6 +26,10 @@ runners:
     os: macos-15 # macOS 15 Arm64
     <<: *base-job
 
+  - &job-macos-26
+    os: macos-26 # macOS 26 Arm64
+    <<: *base-job
+
   - &job-windows
     os: windows-2025
     <<: *base-job
@@ -529,6 +533,7 @@ auto:
         --set llvm.link-shared=true
         --set rust.lto=thin
         --set rust.codegen-units=1
+        --set build.ccache=false
       # Aarch64 tooling only needs to support macOS 11.0 and up as nothing else
       # supports the hardware.
       MACOSX_DEPLOYMENT_TARGET: 11.0
@@ -538,11 +543,10 @@ auto:
       CODEGEN_BACKENDS: llvm,cranelift
     <<: *job-macos
 
-  - name: aarch64-apple
+  - name: aarch64-apple-macos-15
     env:
       SCRIPT: >
-        ./x.py --stage 2 test --host=aarch64-apple-darwin --target=aarch64-apple-darwin &&
-        ./x.py --stage 2 test --host=aarch64-apple-darwin --target=aarch64-apple-darwin src/tools/cargo
+        ./x.py test --stage=1 library --host=aarch64-apple-darwin --target=aarch64-apple-darwin
       RUST_CONFIGURE_ARGS: >-
         --enable-sanitizers
         --enable-profiler
@@ -552,8 +556,25 @@ auto:
       # supports the hardware, so only need to test it there.
       MACOSX_DEPLOYMENT_TARGET: 11.0
       MACOSX_STD_DEPLOYMENT_TARGET: 11.0
+    # XXX: try macos-15 runners
     <<: *job-macos
 
+  - name: aarch64-apple-macos-26
+    env:
+      SCRIPT: >
+        ./x.py test --stage=1 library --host=aarch64-apple-darwin --target=aarch64-apple-darwin
+      RUST_CONFIGURE_ARGS: >-
+        --enable-sanitizers
+        --enable-profiler
+        --set rust.jemalloc
+      DEVELOPER_DIR: /Applications/Xcode_26.2.app/Contents/Developer
+      # Aarch64 tooling only needs to support macOS 11.0 and up as nothing else
+      # supports the hardware, so only need to test it there.
+      MACOSX_DEPLOYMENT_TARGET: 11.0
+      MACOSX_STD_DEPLOYMENT_TARGET: 11.0
+    # XXX: try macos-26 runners
+    <<: *job-macos-26
+
   ######################
   #  Windows Builders  #
   ######################