Fix swiftc -static-stdlib on Linux.

Greg Parker · Greg Parker · commit c85353043a9e · 2016-12-15T15:26:40.000-08:00
diff --git a/utils/gen-static-stdlib-link-args b/utils/gen-static-stdlib-link-args
@@ -33,6 +33,7 @@ fi
     cat >$OUTPUTFILE <<EOF
 -ldl
 -lpthread
+-latomic
 -lswiftCore
 -lswiftImageInspectionShared
 $ICU_LIBS
