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Allow empty lists of files when looking up files containing a source location

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This commit is contained in:
Doug Gregor
2023-01-08 19:17:39 -08:00
parent 721d52f998
commit ab4ecc390d
1 changed files with 3 additions and 2 deletions
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5
lib/AST/Module.cpp
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@@ -573,7 +573,8 @@ void ModuleDecl::updateSourceFileLocationMap() {
}
// If we are up-to-date, there's nothing to do.
if (sourceFileLocationMap->numFiles == getFiles().size() &&
ArrayRef<FileUnit *> files = Files;
if (sourceFileLocationMap->numFiles == files.size() &&
sourceFileLocationMap->numAuxiliaryFiles ==
AuxiliaryFiles.size())
return;
@@ -582,7 +583,7 @@ void ModuleDecl::updateSourceFileLocationMap() {
sourceFileLocationMap->allSourceFiles.clear();
// First, add all of the source files with a backing buffer.
for (auto *fileUnit : getFiles()) {
for (auto *fileUnit : files) {
if (auto sourceFile = dyn_cast<SourceFile>(fileUnit)) {
if (sourceFile->getBufferID())
sourceFileLocationMap->allSourceFiles.push_back(sourceFile);