avoid dynamic allocas (#410)

1 files changed, 3 insertions, 2 deletions

diff --git a/src/wasm-binary.h b/src/wasm-binary.h
index 91fe91b49..e9845a1fb 100644
--- a/src/wasm-binary.h
+++ b/src/wasm-binary.h
@@ -1550,11 +1550,12 @@ public:
       Memory::Segment curr;
       auto offset = getU32LEB();
       auto size = getU32LEB();
-      char buffer[size];
+      std::vector<char> buffer;
+      buffer.resize(size);
       for (size_t j = 0; j < size; j++) {
         buffer[j] = char(getInt8());
       }
-      wasm.memory.segments.emplace_back(offset, (const char*)buffer, size);
+      wasm.memory.segments.emplace_back(offset, (const char*)&buffer[0], size);
     }
   }