message: Fix compiletest compilation
diff: @@ -38,6 +38,21 @@ index d95b5b7f17f..00b6f0e3635 100644
  [dev-dependencies]
  rand = "0.7"
  rand_xorshift = "0.2"
  +diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs
  +index 887d27fd6dca4..2c2239f2b83d1 100644
  +--- a/src/tools/compiletest/src/header.rs
  ++++ b/src/tools/compiletest/src/header.rs
  +@@ -806,8 +806,8 @@ pub fn make_test_description<R: Read>(
  + cfg: Option<&str>,
  + ) -> test::TestDesc {
  + let mut ignore = false;
  + #[cfg(not(bootstrap))]
  +- let ignore_message: Option<String> = None;
  ++ let ignore_message: Option<&str> = None;
  + let mut should_fail = false;
  +
  + let rustc_has_profiler_support = env::var_os("RUSTC_PROFILER_SUPPORT").is_some();
  +
  EOF
  cat > config.toml <<EOF
  