Hexagon: Fix a nasty order-of-initialization bug.

Reenable the tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146750 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Hexagon/struct_args.ll b/test/CodeGen/Hexagon/struct_args.ll
index 2c962d0..cc409db 100644
--- a/test/CodeGen/Hexagon/struct_args.ll
+++ b/test/CodeGen/Hexagon/struct_args.ll
@@ -1,5 +1,4 @@
-; RUN: true
-; DISABLED: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
+; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
 ; CHECK: r1:0 = or(r{{[0-9]}}:{{[0-9]}}, r{{[0-9]}}:{{[0-9]}})
 
 %struct.small = type { i32, i32 }