.travis.yml: unix coverage 32-bit: Use Ubuntu Bionic.
To address package installation issue in Travis CI.
@@ -182,6 +182,7 @@ jobs:
# unix coverage 32-bit
- stage: test
+ dist: bionic
env: NAME="unix coverage 32-bit build and tests"
install:
# Install gcc 7.x, as older version has glitchy strict alisasing warnings-as-errors
