Fix clang build failure

Apparently opinion is divided on whether [[noreturn]] is allowed on a
lambda: http://stackoverflow.com/questions/26888805/how-to-declare-a-lambdas-operator-as-noreturn

http://hydra.nixos.org/build/36462100

1 files changed, 2 insertions, 1 deletions

diff --git a/src/libstore/nar-info.cc b/src/libstore/nar-info.cc
index c0c5cecd1730..4ff4c996dabd 100644
--- a/src/libstore/nar-info.cc
+++ b/src/libstore/nar-info.cc
@@ -5,7 +5,7 @@ namespace nix {
 
 NarInfo::NarInfo(const std::string & s, const std::string & whence)
 {
-    auto corrupt = [&]() [[noreturn]] {
+    auto corrupt = [&]() {
         throw Error("NAR info file ‘%1%’ is corrupt");
     };
 
@@ -14,6 +14,7 @@ NarInfo::NarInfo(const std::string & s, const std::string & whence)
             return parseHash(s);
         } catch (BadHash &) {
             corrupt();
+            return Hash(); // never reached
         }
     };