// RUN: %empty-directory(%t)
// RUN: %gyb %s > %t/main.swift
// RUN: %target-swift-frontend -O -parse-as-library -sil-verify-none -emit-sil %t/main.swift -o /dev/null

// REQUIRES: swift_stdlib_no_asserts,optimized_stdlib
// REQUIRES: long_test

// Check that the compiler does not crash in DCE due to a stack overflow.
// rdar://106198943

public func test(_ a: Int) -> Int {
  switch (a) {
% for i in range(32000):
    case ${i}: return ${i % 7}
% end
    default: return -1
  }
}