delete mode 100644 test/cases/bugs/1230.zig create mode 100644 test/cases/bugs/1381.zig create mode 100644 test/cases/bugs/1442.zig create mode 100644 test/stage1/c_abi/build.zig create mode 100644 test/stage1/c_abi/cfuncs.c create mode 100644 test/stage1/c_abi/main.zig