comment

WebAssembly · Apr 11, 2024 · 59c021e · 59c021e
1 parent e1a0716
commit 59c021e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/wasm/wasm-ir-builder.cpp b/src/wasm/wasm-ir-builder.cpp
@@ -175,6 +175,8 @@ Result<Expression*> IRBuilder::pop(size_t size) {
   CHECK_ERR(packageHoistedValue(*hoisted, size));
 
   auto* ret = scope.exprStack.back();
+  // If the top value has the correct size, we can pop it and be done.
+  // Unreachable values satisfy any size.
   if (ret->type.size() == size || ret->type == Type::unreachable) {
     scope.exprStack.pop_back();
     return ret;