Reproduce command

src/compiler.bbb

@@ -18559,7 +18559,10 @@ names: [_][]u8 =
         return 1;
     }
 
+    >debug_info_array: [_]u1 = [1, 0];
+
     >command = command_string_to_enum.enum_value;
+
     switch (command)
     {
         .compile =>
@@ -18621,7 +18624,6 @@ names: [_][]u8 =
                 report_error();
             }
 
-            >debug_info_array: [_]u1 = [1, 0];
             for (name: names)
             {
                 for (build_mode: #enum_values(BuildMode))

src/compiler.cpp

@@ -619,6 +619,24 @@ void entry_point(Slice<char* const> arguments, Slice<char* const> envp)
                         print(compiler_has_debug_info ? string_literal(" with debug info\n") : string_literal(" with no debug info\n"));
                         bb_fail();
                     }
+
+                    char* const reproduce_arguments[] =
+                    {
+                        (char*)compiler.pointer,
+                        (char*)"reproduce",
+                        0,
+                    };
+                    arg_slice = array_to_slice(reproduce_arguments);
+                    arg_slice.length -= 1;
+                    execution = os_execute(arena, arg_slice, environment, {});
+                    success = execution.termination_kind == TerminationKind::exit && execution.termination_code == 0;
+                    if (!success)
+                    {
+                        print(string_literal("Self-hosted reproduction failed: "));
+                        print(build_mode_to_string(compiler_build_mode));
+                        print(compiler_has_debug_info ? string_literal(" with debug info\n") : string_literal(" with no debug info\n"));
+                        bb_fail();
+                    }
                 }
             }
         } break;