Better binary error reporting (#1505)

Report the offset with the error.

Also fix a compiler warning about comparing signed/unsigned types in the LEB code.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/tools/wasm-dis.cpp b/src/tools/wasm-dis.cpp
index d874b24aa..da1a56b6b 100644
--- a/src/tools/wasm-dis.cpp
+++ b/src/tools/wasm-dis.cpp
@@ -63,9 +63,11 @@ int main(int argc, const char *argv[]) {
     }
   } catch (ParseException& p) {
     p.dump(std::cerr);
+    std::cerr << '\n';
     Fatal() << "error in parsing wasm binary";
   } catch (MapParseException& p) {
     p.dump(std::cerr);
+    std::cerr << '\n';
     Fatal() << "error in parsing wasm source mapping";
   }