ci : add [no release] keyword + fix sanitizer builds (#23728)

* ci : skip release workflow on master when commit message contains [no release]

Assisted-by: llama.cpp:local pi

* ci : restrict sanitizer builds to x86_64 + fix build type

the spark is apparently too slow for some reason

* tests : fix undefined warning

[no ci]

.github/workflows/build-sanitize.yml

@@ -28,7 +28,7 @@ env:
 
 jobs:
   ctest:
-    runs-on: [self-hosted, CPU, Linux]
+    runs-on: [self-hosted, X64, CPU, Linux]
 
     continue-on-error: true
 
@@ -60,6 +60,7 @@ jobs:
         if: ${{ matrix.sanitizer == 'UNDEFINED' }}
         run: |
           cmake -B build \
+            -DCMAKE_BUILD_TYPE=Debug \
             -DLLAMA_FATAL_WARNINGS=ON \
             -DLLAMA_SANITIZE_${{ matrix.sanitizer }}=ON \
             -DGGML_SANITIZE_${{ matrix.sanitizer }}=ON
@@ -71,6 +72,7 @@ jobs:
         if: ${{ matrix.sanitizer != 'THREAD' }}
         run: |
           cmake -B build \
+            -DCMAKE_BUILD_TYPE=RelWithDebInfo \
             -DLLAMA_SANITIZE_${{ matrix.sanitizer }}=ON \
             -DGGML_SANITIZE_${{ matrix.sanitizer }}=ON
 
@@ -81,6 +83,7 @@ jobs:
         if: ${{ matrix.sanitizer == 'THREAD' }}
         run: |
           cmake -B build \
+            -DCMAKE_BUILD_TYPE=RelWithDebInfo \
             -DLLAMA_SANITIZE_${{ matrix.sanitizer }}=ON \
             -DGGML_SANITIZE_${{ matrix.sanitizer }}=ON \
             -DGGML_OPENMP=OFF

.github/workflows/release.yml

@@ -1,5 +1,11 @@
 name: Release
 
+# Skip this workflow on push to master if the commit message contains [no release]
+if: |
+  github.event_name != 'push' ||
+  github.ref != 'refs/heads/master' ||
+  !contains(github.event.head_commit.message, '[no release]')
+
 on:
   workflow_dispatch: # allows manual triggering
     inputs: