fix getCopies return type, so that we take into account the full range of values

1 files changed, 1 insertions, 1 deletions

diff --git a/src/passes/CoalesceLocals.cpp b/src/passes/CoalesceLocals.cpp
index df564dddf..46885058f 100644
--- a/src/passes/CoalesceLocals.cpp
+++ b/src/passes/CoalesceLocals.cpp
@@ -235,7 +235,7 @@ struct CoalesceLocals : public WalkerPass<CFGWalker<CoalesceLocals, Visitor<Coal
     totalCopies[j]++;
   }
 
-  bool getCopies(Index i, Index j) {
+  uint8_t getCopies(Index i, Index j) {
     return copies[std::min(i, j) * numLocals + std::max(i, j)];
   }
 };