Bug 1963326 - Fix and validate debug non-unified build r=glandium

Differential Revision: https://phabricator.services.mozilla.com/D247091

intl/locale/nsLanguageAtomService.cpp

@@ -13,6 +13,7 @@
 #include "nsGkAtoms.h"
 #include "nsUConvPropertySearch.h"
 #include "nsUnicharUtils.h"
+#include "MainThreadUtils.h"
 
 #include <mutex>  // for call_once
 

taskcluster/kinds/build/linux.yml

@@ -381,6 +381,48 @@ linux64/debug:
             - sysroot-x86_64-linux-gnu
             - sysroot-wasm32-wasi
 
+linux64-non-unified/debug:
+    description: "Linux64 Debug Hybrid"
+    index:
+        product: firefox
+        job-name: linux64-non-unified-debug
+    treeherder:
+        platform: linux64/debug
+        symbol: B-nu
+        tier: 1
+    worker:
+        max-run-time: 5400
+        env:
+            PERFHERDER_EXTRA_OPTIONS: non-unified
+    run:
+        using: mozharness
+        actions: [get-secrets, build]
+        config:
+            - builds/releng_base_firefox.py
+            - builds/releng_base_linux_64_builds.py
+        script: mozharness/scripts/fx_desktop_build.py
+        secrets: true
+        tooltool-downloads: public
+        extra-config:
+            disable_package_metrics: true
+            extra_mozconfig_content:
+                - ac_add_options --enable-debug
+        mozconfig-variant: non-unified
+    run-on-projects: ['integration']
+    use-sccache: true
+    fetches:
+        toolchain:
+            - linux64-clang
+            - linux64-rust
+            - linux64-nasm
+            - linux64-node
+            - linux64-cbindgen
+            - linux64-sccache
+            - linux64-dump_syms
+            - linux64-pkgconf
+            - sysroot-x86_64-linux-gnu
+            - sysroot-wasm32-wasi
+
 linux64-plain/debug:
     description: "Linux64 Debug Plain"
     index: