[clang] [clang][dep-scan] Resolve lexer crash from a permutation of invalid tokens (PR #142452)

[Cyndy Ishida via cfe-commits]

================
@@ -503,6 +503,10 @@ bool Scanner::lexModuleDirectiveBody(DirectiveKind Kind, 
const char *&First,
           diag::err_dep_source_scanner_missing_semi_after_at_import);
     if (Tok.is(tok::semi))
       break;
+    if (Tok.is(tok::hash) || Tok.is(tok::at))
+      return reportError(
----------------
cyndyishida wrote:

For the case in the lit test, do you think we should skip over all the input up 
until `;`? 

https://github.com/llvm/llvm-project/pull/142452
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits