From f6cc9ee7ad2ddc22ef768befc880411964d2d9ed Mon Sep 17 00:00:00 2001
From: Alex Crichton <alex@alexcrichton.com>
Date: Fri, 10 Nov 2017 01:39:07 -0800
Subject: [PATCH] rustbuild: Disable ThinLTO for libtest

Right now ThinLTO is generating bad dwarf which is tracked by #45511, but this
is causing issues on OSX (#45768) where `dsymutil` is segfaulting and failing to
produce output.

Closes #45768
---
 src/bootstrap/builder.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs
index bb3d9dc3f33b1..3b2645635f161 100644
--- a/src/bootstrap/builder.rs
+++ b/src/bootstrap/builder.rs
@@ -624,6 +624,7 @@ impl<'a> Builder<'a> {
             }
 
             if mode != Mode::Libstd && // FIXME(#45320)
+               mode != Mode::Libtest && // FIXME(#45511)
                self.config.rust_codegen_units.is_none() &&
                self.build.is_rust_llvm(compiler.host) &&
                !target.contains("mips") // FIXME(#45654)