#include <core.p4>

control MAPipe();
package SimpleArch(MAPipe p);

control MyMAPipe() {
    action a0() {}
    table t0 { actions = { a0; } default_action = a0()(); }
    apply {
        t0.apply();
    }
}

SimpleArch(MyMAPipe()) main;

Compiler bug triggered, please report this error:
exception type: P4::Util::CompilerBug
error: In file: ./p4c/frontends/p4/typeChecking/typeCheckExpr.cpp:1813
Compiler Bug: p4c/testdata/p4_16_errors/issuex.p4(8): a0();: unexpected call
    table t0 { actions = { a0; } default_action = a0()(); }
                                                  ^^^^