[clang] [clang-scan-deps] Ignore import/include directives with missing filenames (PR #99520)

[Michael Spencer via cfe-commits]

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@@ -544,7 +544,7 @@ Scanner::lexIncludeFilename(const char *&First, const char *const End) {
 void Scanner::lexPPDirectiveBody(const char *&First, const char *const End) {
   while (true) {
     const dependency_directives_scan::Token &Tok = lexToken(First, End);
-    if (Tok.is(tok::eod))
+    if (Tok.is(tok::eod) || Tok.is(tok::eof))
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Bigcheese wrote:

Does this end up with the entire rest of the file being part of the directive? I think another issue here is that the lexer does not consider the newline at the end of the import as `eod`.

I think the change is still fine though, it's better to not infinite loop even if the lexer is wrong.

https://github.com/llvm/llvm-project/pull/99520