# Pastebin eoP5pRIQ
fernando@fernando-OptiPlex-9020:~$ cat jit.p6 
use NativeCall;

sub gcc_jit_context_acquire() returns Pointer is native("gccjit") { * }
sub gcc_jit_context_get_type(Pointer, int16) returns Pointer is native("gccjit") { * }
sub gcc_jit_context_new_param(Pointer, Pointer, Pointer, Str) returns Pointer is native("gccjit") { * }
sub gcc_jit_context_new_binary_op(Pointer, Pointer, int16, Pointer, Pointer, Pointer) returns Pointer is native("gccjit") { * }
sub gcc_jit_param_as_rvalue(Pointer) returns Pointer is native("gccjit") { * };
sub gcc_jit_context_new_function(Pointer, int16, Pointer, Str, int16, CArray[Pointer], int16) returns Pointer is native("gccjit") { * }




my Pointer $context  = gcc_jit_context_acquire;
my Pointer $int-type = gcc_jit_context_get_type($context, 8);
my Pointer $param-a  = gcc_jit_context_new_param($context, Pointer, $int-type, "a");
my Pointer $param-b  = gcc_jit_context_new_param($context, Pointer, $int-type, "b");
my Pointer $a-plus-b = gcc_jit_context_new_binary_op($context, Pointer, 0, $int-type, gcc_jit_param_as_rvalue($param-a), gcc_jit_param_as_rvalue($param-b));
my Pointer $add-func = gcc_jit_context_new_function($context, 0, $int-type, "add", 2, CArray[Pointer].new($param-a, $param-b), 0);

fernando@fernando-OptiPlex-9020:~$ perl6 jit.p6 
libgccjit.so: error: gcc_jit_context_new_function: unrecognized value for enum gcc_jit_function_kind: 89059232