[WebAssembly] Object: Improve error messages on invalid section

Also add a test.

Differential Revision: https://reviews.llvm.org/D60836

llvm-svn: 358801

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/Object/WasmObjectFile.cpp b/llvm/lib/Object/WasmObjectFile.cpp
index 167b8c25c2b..45e343f8f47 100644
--- a/llvm/lib/Object/WasmObjectFile.cpp
+++ b/llvm/lib/Object/WasmObjectFile.cpp
@@ -319,8 +319,8 @@ Error WasmObjectFile::parseSection(WasmSection &Sec) {
   case wasm::WASM_SEC_DATACOUNT:
     return parseDataCountSection(Ctx);
   default:
-    return make_error<GenericBinaryError>("Bad section type",
-                                          object_error::parse_failed);
+    return make_error<GenericBinaryError>(
+        "Invalid section type: " + Twine(Sec.Type), object_error::parse_failed);
   }
 }
 
@@ -1607,7 +1607,7 @@ int WasmSectionOrderChecker::getSectionOrder(unsigned ID,
   case wasm::WASM_SEC_EVENT:
     return WASM_SEC_ORDER_EVENT;
   default:
-    llvm_unreachable("invalid section");
+    return WASM_SEC_ORDER_NONE;
   }
 }