RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 13:57:35 +00:00
Code Issues Activity Actions

LibWasm: Resolve labels starting from the top of the stack

Browse source 
Otherwise "label index 0" would be the first ever created label, not the
last one (as the spec wants) :^(
This commit is contained in:
Ali Mohammad Pur 2021-05-18 00:21:00 +04:30 • committed by Linus Groh
parent 35b3ae26ed
commit 29b193d25d
1 changed files with 2 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

3
Userland/Libraries/LibWasm/AbstractMachine/Configuration.cpp
View file

@ -11,7 +11,8 @@ namespace Wasm {
Optional<Label> Configuration::nth_label(size_t i) Optional<Label> Configuration::nth_label(size_t i)
{ {
for (auto& entry : m_stack.entries()) { for (size_t index = m_stack.size(); index > 0; --index) {
auto& entry = m_stack.entries()[index - 1];
if (auto ptr = entry.get_pointer<NonnullOwnPtr<Label>>()) { if (auto ptr = entry.get_pointer<NonnullOwnPtr<Label>>()) {
if (i == 0) if (i == 0)
return **ptr; return **ptr;