================
@@ -663,10 +663,15 @@ SourceManager::createExpansionLocImpl(const ExpansionInfo
&Info,
return SourceLocation::getMacroLoc(LoadedOffset);
}
LocalSLocEntryTable.push_back(SLocEntry::get(NextLocalOffset, Info));
- // FIXME: Produce a proper diagnostic for this case.
- assert(NextLocalOffset + Length + 1 > NextLocalOffset &&
- NextLocalOffset + Length + 1 <= CurrentLoadedOffset &&
- "Ran out of source locations!");
+ if (NextLocalOffset + Length + 1 <= NextLocalOffset ||
+ NextLocalOffset + Length + 1 > CurrentLoadedOffset) {
+ Diag.Report(Info.getSpellingLoc(), diag::err_expansions_too_large);
+ // FIXME: call `noteSLocAddressSpaceUsage` to report details to users.
----------------
sam-mccall wrote:
This really sounds like the SourceManager is corrupt at this point, would be
good to find out why but this is already an improvement
https://github.com/llvm/llvm-project/pull/69908
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