Add string parameter to WASM_UNREACHABLE (#2499)

This works more like llvm's unreachable handler in that is preserves
information even in release builds.

1 files changed, 2 insertions, 3 deletions

diff --git a/src/passes/ConstHoisting.cpp b/src/passes/ConstHoisting.cpp
index 08fede1df..9eb853878 100644
--- a/src/passes/ConstHoisting.cpp
+++ b/src/passes/ConstHoisting.cpp
@@ -97,9 +97,8 @@ private:
         return false;
       }
       case none:
-      case unreachable: {
-        WASM_UNREACHABLE();
-      }
+      case unreachable:
+        WASM_UNREACHABLE("unexpected type");
     }
     // compute the benefit, of replacing the uses with
     // one use + a set and then a get for each use