`Bus error***Exception` on armhf

[WhyNotHugo]

Tests on armhf fail with:

 Test project /builds/WhyNotHugo/aports/community/flatbuffers/src/flatbuffers-25.12.19                                    
     Start 1: flattests                                                                                                   
 1/1 Test #1: flattests ........................Bus error***Exception:   0.02 sec                                         
 0% tests passed, 1 tests failed out of 1                                                                                 
 Total Test time (real) =   0.02 sec                                                                                      
 The following tests FAILED:                                                                                              
       1 - flattests (Bus error)                                                                                          
 Errors while running CTest                                                                                               

Gist with full build log: https://gist.github.com/WhyNotHugo/56ba583e2a5f5ea7b16099ff0832a146

Is it possible that SIGBUS is the result of unaligned memory access?

[WhyNotHugo]

I don't see the same error on equivalent setups in x86_64, riscv64, aarch64 and a few others.

ARMhf (32-bit ARM with hardware FP) does NOT support unaligned memory access.