From dcbe09e2b57d165f40f6ccebc915c09bbc1f6bd7 Mon Sep 17 00:00:00 2001
From: Oliver Schneider <github35764891676564198441@oli-obk.de>
Date: Thu, 24 May 2018 17:05:16 +0200
Subject: Don't ICE if crate has no valid crate types left

---
 src/librustc_codegen_llvm/base.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/librustc_codegen_llvm')

diff --git a/src/librustc_codegen_llvm/base.rs b/src/librustc_codegen_llvm/base.rs
index 59d227557ae..8660c0bcc6c 100644
--- a/src/librustc_codegen_llvm/base.rs
+++ b/src/librustc_codegen_llvm/base.rs
@@ -642,7 +642,7 @@ fn write_metadata<'a, 'gcx>(tcx: TyCtxt<'a, 'gcx, 'gcx>,
             config::CrateTypeDylib |
             config::CrateTypeProcMacro => MetadataKind::Compressed,
         }
-    }).max().unwrap();
+    }).max().unwrap_or(MetadataKind::None);
 
     if kind == MetadataKind::None {
         return (metadata_llcx,
-- 
cgit 1.4.1-3-g733a5