[master] 09af98e72 circleci: Run bionic builds in a 32bit image

[Dridi Boukelmoune]

commit 09af98e72825063550c2179b2d4d5f9f957140d1
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Mon Feb 14 17:21:30 2022 +0100

    circleci: Run bionic builds in a 32bit image
    
    Closes #3702

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 9eb09b793..13b9e8cfe 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -196,7 +196,7 @@ jobs:
   distcheck:
     parameters:
       prefix:
-        description: the container image repository
+        description: the container image prefix (repository or architecture)
         type: string
         default: ""
       dist:
@@ -375,9 +375,9 @@ workflows:
           extra_conf: --enable-asan --enable-ubsan --enable-workspace-emulator
       - distcheck:
           name: distcheck_ubuntu_bionic
+          prefix: i386/
           dist: ubuntu
           release: bionic
-          extra_conf: CFLAGS='-g -O2 -m32'
       - distcheck:
           name: distcheck_alpine
           dist: alpine