We don't currently have any buildfarm animals running 32 bit mingw builds for releases > 10. As part of my testing of msys 2 I thought I would try its 32 bit compiler and got this regression diff on HEAD
cheers andrew diff -w -U3 C:/tools/msys64/home/Administrator/bf/root/HEAD/pgsql/src/test/regress/expected/circle.out C:/tools/msys64/home/Administrator/bf/root/HEAD/pgsql.build/src/test/regress/results/circle.out --- C:/tools/msys64/home/Administrator/bf/root/HEAD/pgsql/src/test/regress/expected/circle.out 2019-03-03 17:14:38.648207000 +0000 +++ C:/tools/msys64/home/Administrator/bf/root/HEAD/pgsql.build/src/test/regress/results/circle.out 2019-03-04 19:33:37.576494900 +0000 @@ -111,8 +111,8 @@ WHERE (c1.f1 < c2.f1) AND ((c1.f1 <-> c2.f1) > 0) ORDER BY distance, area(c1.f1), area(c2.f1); five | one | two | distance -------+----------------+----------------+------------------ - | <(3,5),0> | <(1,2),3> | 0.60555127546399 +------+----------------+----------------+------------------- + | <(3,5),0> | <(1,2),3> | 0.605551275463989 | <(3,5),0> | <(5,1),3> | 1.47213595499958 | <(100,200),10> | <(100,1),115> | 74 | <(100,200),10> | <(1,2),100> | 111.370729772479 -- Andrew Dunstan https://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services