When built with:
zig build -Drelease-small
We can see with objdump that only the last handler is added (with 4
nop).
arm-none-eabi-objdump zig-out/bin/test -d
Only that one is present:
080001ac <vector_table.wrapper>:
80001ac: bf00 nop
80001ae: bf00 nop
80001b0: bf00 nop
80001b2: bf00 nop
80001b4: 4770 bx lr