kristina added inline comments.
================
Comment at: lib/Lex/PPDirectives.cpp:1892
if (!File) {
- while (!isAlphanumeric(Filename.front())) {
+ while (!Filename.empty() && !isAlphanumeric(Filename.front())) {
Filename = Filename.drop_front();
----------------
kristina wrote:
> This line is tripping the assert, it seems best course of action would be a
> single check here and then just diagnosing an error unless you have managed
> to find other cases, in which case all the checks below are also warranted.
In either case, the diagnostic emitted doesn't really make sense, at least to
me, I think it would be better to explicitly diagnose this case as an error and
then bail, before an assertion fires.
I also crashed clang with `#include "./"`, so the test case does seem to be
fairly minimal which is good. Though I think a diagnostic about a bogus file
path would be better (I don't know how to word it well), rather than saying
file not found.
Repository:
rC Clang
https://reviews.llvm.org/D52721
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