From 63513440e165979356a9997eb9d6ba79c395077b Mon Sep 17 00:00:00 2001
From: Gabor Greif <gabor@dfinity.org>
Date: Tue, 28 Apr 2020 03:24:25 +0200
Subject: [PATCH] The index in DW_OP_WASM_location is ULEB128

C.f. https://yurydelendik.github.io/webassembly-dwarf/#DWARF-expressions-and-location-descriptions
---
 crates/debug/src/transform/expression.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crates/debug/src/transform/expression.rs b/crates/debug/src/transform/expression.rs
index 81394f8371d8..24948a78d180 100644
--- a/crates/debug/src/transform/expression.rs
+++ b/crates/debug/src/transform/expression.rs
@@ -331,7 +331,7 @@ where
                 // TODO support wasm globals?
                 return Ok(None);
             }
-            let index = pc.read_sleb128()?;
+            let index = pc.read_uleb128()?;
             if pc.read_u8()? != 159 {
                 // FIXME The following operator is not DW_OP_stack_value, e.g. :
                 // DW_AT_location  (0x00000ea5: