Merge pull request #373 from wasmx/imm-stack-height-read

Fix reading parent stack height from branch instructions immediates
wasmx · Jun 4, 2020 · b48b209 · b48b209
2 parents 5db0431 + 33219f6
commit b48b209
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/fizzy/execute.cpp b/lib/fizzy/execute.cpp
@@ -248,7 +248,7 @@ void branch(
 {
     const auto code_offset = read<uint32_t>(immediates);
     const auto imm_offset = read<uint32_t>(immediates);
-    const auto stack_height = static_cast<size_t>(read<int>(immediates));
+    const auto stack_height = static_cast<size_t>(read<uint32_t>(immediates));
     const auto arity = read<uint8_t>(immediates);
 
     pc = code.instructions.data() + code_offset;