From 5deed177a5a6fcd7bad86c8dd4f5866f7b578de3 Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Sat, 31 Dec 2016 14:07:45 +0800
Subject: MIR - Fix a bit of invalid MIR

---
 src/mir/from_hir_match.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/mir/from_hir_match.cpp')

diff --git a/src/mir/from_hir_match.cpp b/src/mir/from_hir_match.cpp
index 183d6418..008bef0c 100644
--- a/src/mir/from_hir_match.cpp
+++ b/src/mir/from_hir_match.cpp
@@ -3677,6 +3677,8 @@ void DecisionTreeGen::generate_branches_Slice(
         ERROR(sp, E0000, "Non-exhaustive match over " << ty);
     }
 
+    auto val_len = m_builder.lvalue_or_temp(sp, ::HIR::CoreType::Usize, ::MIR::RValue::make_DstMeta({ val.clone() }));
+
     // NOTE: Un-deref the slice
     ASSERT_BUG(sp, val.is_Deref(), "slice matches must be passed a deref");
     auto tmp = mv$( *val.as_Deref().val );
@@ -3689,8 +3691,6 @@ void DecisionTreeGen::generate_branches_Slice(
     // - Binary search
     // - Sequential comparisons
 
-    auto val_len = m_builder.lvalue_or_temp(sp, ::HIR::CoreType::Usize, ::MIR::RValue::make_DstMeta({ val.clone() }));
-
     // TODO: Binary search instead.
     for( const auto& branch : branches.fixed_arms )
     {
-- 
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