# @TEST-REQUIRES: test "$BUILD" = "debug"
# @TEST-EXEC-FAIL: ${HILTIC} -X location -j %INPUT >output 2>&1
# @TEST-EXEC: btest-diff output

module Foo {

global auto x = b"xyz";
global auto i = begin(x);
assert *i == 'x';
x = b"";
assert *i == 'x'; # will throw

}