diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/wasm-binary.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/wasm-binary.h b/src/wasm-binary.h index c448f73f4..5d0c41fba 100644 --- a/src/wasm-binary.h +++ b/src/wasm-binary.h @@ -396,12 +396,12 @@ public: if (wasm->memory.initial == 0) { // XXX diverge from v8, 0 means 0, 1 and above are powers of 2 starting at 0 o << int8_t(0); } else { - o << int8_t(ceil(log2(wasm->memory.initial)) + 1); + o << int8_t(std::min(ceil(log2(wasm->memory.initial)), 31.0) + 1); // up to 31 bits, don't let ceil get us to UINT_MAX which can overflow } if (wasm->memory.max == 0) { o << int8_t(0); } else { - o << int8_t(ceil(log2(wasm->memory.max)) + 1); + o << int8_t(std::min(ceil(log2(wasm->memory.max)), 31.0) + 1); } o << int8_t(1); // export memory } |