Object/WasmObjectFile: Fix comparison of different signs

[android-x86/external-llvm.git] / lib / Object / WasmObjectFile.cpp

diff --git a/lib/Object/WasmObjectFile.cpp b/lib/Object/WasmObjectFile.cpp
index f822d07..ba5e6ac 100644 (file)
--- a/lib/Object/WasmObjectFile.cpp
+++ b/lib/Object/WasmObjectFile.cpp
@@ -975,7 +975,7 @@ Error WasmObjectFile::parseDataSection(ReadContext &Ctx) {
     if (Error Err = readInitExpr(Segment.Data.Offset, Ctx))
       return Err;
     uint32_t Size = readVaruint32(Ctx);
-    if (Size > Ctx.End - Ctx.Ptr)
+    if (Size > (uint32_t) (Ctx.End - Ctx.Ptr))
       return make_error<GenericBinaryError>("Invalid segment size",
                                             object_error::parse_failed);
     Segment.Data.Content = ArrayRef<uint8_t>(Ctx.Ptr, Size);
@@ -995,7 +995,7 @@ Error WasmObjectFile::parseDataSection(ReadContext &Ctx) {
 }
 
 const uint8_t *WasmObjectFile::getPtr(size_t Offset) const {
-  return reinterpret_cast<const uint8_t *>(getData().substr(Offset, 1).data());
+  return reinterpret_cast<const uint8_t *>(getData().data() + Offset);
 }
 
 const wasm::WasmObjectHeader &WasmObjectFile::getHeader() const {