8259924: GitHub actions fail on Linux x86_32 with "Could not configure libc6:i386"

Reviewed-by: dholmes

Author: shipilev

.github/workflows/submit.yml

@@ -632,12 +632,14 @@ jobs:
 
       # Roll in the multilib environment and its dependencies.
       # Some multilib libraries do not have proper inter-dependencies, so we have to
-      # install their dependencies manually.
+      # install their dependencies manually. Additionally, installing libc6 libraries
+      # ahead of the bulk of other packages solves potential circularity problems.
       - name: Install dependencies
         run: |
           sudo dpkg --add-architecture i386
           sudo apt-get update
-          sudo apt-get install gcc-10-multilib g++-10-multilib libfreetype6-dev:i386 libxrandr-dev:i386 libxtst-dev:i386 libtiff-dev:i386 libcupsimage2-dev:i386 libcups2-dev:i386 libasound2-dev:i386
+          sudo apt-get install gcc-10-multilib g++-10-multilib libc6:i386 libc6-dev:i386
+          sudo apt-get install libfreetype6-dev:i386 libxrandr-dev:i386 libxtst-dev:i386 libtiff-dev:i386 libcupsimage2-dev:i386 libcups2-dev:i386 libasound2-dev:i386
           sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 100 --slave /usr/bin/g++ g++ /usr/bin/g++-10
 
       - name: Configure