Incorrect emit for module M with import M inside it #1503
Description
Two different modules with the same last name. One imports the other with an alias of that same name. The variable M in the emitted code corresponding to A.M needs to be _M.
module Z.M {
export function bar() {
console.log(1);
}
}
module A.M {
import M = Z.M;
export function bar() {
console.log(2);
}
M.bar(); // Calls the wrong function at runtime, works if you change the above import to a var
}This is a severe breaking change because it leads to subtle behavioral bugs at runtime.