hohn/codeql
1
0
Fork 0
mirror of https://github.com/github/codeql.git synced 2026-04-21 15:05:56 +02:00
Code Issues Packages Projects Releases Wiki Activity

Swift: workaround an internal crash coming from Swift 5.7.1

Browse Source
This commit is contained in:
Alex Denisov
2022-11-24 15:36:35 +01:00
parent f618d53302
commit 67fb56deb8
1 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
swift/extractor/infra/SwiftDispatcher.h
View File

@@ -215,6 +215,17 @@ class SwiftDispatcher {
// Emits a Location TRAP entry and attaches it to a `Locatable` trap label
template <typename Locatable>
void attachLocation(Locatable* locatable, TrapLabel<LocatableTag> locatableLabel) {
// Swift 5.7.1 causing a crash when the Swift compiler uses .back() of and empty
// getPatternList() when getting the source location.
// So far this only observed with the entities coming from precompiled modules, so they
// should not have locations anyway.
if constexpr (std::is_base_of<swift::Decl, Locatable>::value) {
if (auto* decl = llvm::dyn_cast<swift::PatternBindingDecl>(locatable)) {
if (decl->getPatternList().empty()) {
return;
}
}
}
attachLocation(locatable->getStartLoc(), locatable->getEndLoc(), locatableLabel);
}