Try using arm32 implementation for fibers.

2019-06-24 19:09:16 +12:00 · 2019-06-24 19:09:16 +12:00 · 518adcca0a
--- a/configure.ac
+++ b/configure.ac
@ -2272,6 +2272,9 @@ AS_CASE(["$rb_cv_fiber_coroutine"], [yes|''], [
        [x64-mingw32], [
            rb_cv_fiber_coroutine=win64
        ],
+        [armv7*-linux-*], [
+            rb_cv_fiber_coroutine=arm32
+        ],
        [aarch64-linux], [
            rb_cv_fiber_coroutine=arm64
        ],