Update Ubuntu from 22.04 to 24.04.

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
 # We then upload the compiler tree as a build artifact to enable re-use in
 # subsequent jobs.
   build:
-    runs-on: 'ubuntu-latest'
+    runs-on: 'ubuntu-24.04'
     outputs:
       manual_changed: ${{ steps.manual.outputs.manual_changed }}
     steps:
@@ -81,7 +81,7 @@ jobs:
   normal:
     name: ${{ matrix.name }}
     needs: build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         include:
@@ -106,7 +106,7 @@ jobs:
         run: |
           sudo apt-get update -y && sudo apt-get install -y ${{ matrix.dependencies }}
           # Work around lldb on Ubuntu 22.04 issue https://github.com/llvm/llvm-project/issues/55575
-          sudo  ln -s /usr/lib/llvm-14/lib/python3.10/dist-packages/lldb/* /usr/lib/python3/dist-packages/lldb/
+          # sudo  ln -s /usr/lib/llvm-14/lib/python3.10/dist-packages/lldb/* /usr/lib/python3/dist-packages/lldb/
       - name: Run the testsuite
         if: matrix.id == 'normal'
         run: |
@@ -152,7 +152,7 @@ jobs:
       matrix:
         include:
           - name: linux-O0
-            os: ubuntu-latest
+            os: ubuntu-24.04
             config_arg: CFLAGS='-O0'
           - name: macos-x86_64
             os: macos-13
@@ -209,7 +209,7 @@ jobs:
           done
 
   i386:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     container:
       image: debian:12
       options: --platform linux/i386 --user root

testsuite/tests/native-debugger/linux-lldb-amd64.reference

@@ -13,10 +13,10 @@ Breakpoint created for regex camlMeander\$c_to_ocaml*.
 (lldb) create ocaml_to_c
 Breakpoint created for regex ocaml_to_c.
 (lldb) run
+Process XXXX launched: 'XXXX' ($ARCH)
 Process XXXX stopped
 * thread #1, name = 'XXXX', stop reason = breakpoint 1.1
     frame #0: 0x00000000000000 meander`caml_start_program
-Process XXXX launched: 'XXXX' ($ARCH)
 (lldb) backtrace
 frame 0: meander`caml_start_program
 frame 1: meander`caml_startup_common