From c685e46c4e45696d8b029f1849682660dc043a72 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kim=20Gr=C3=A4sman?= <kim.grasman@gmail.com>
Date: Fri, 9 Sep 2022 20:14:33 +0200
Subject: [PATCH] Don't attempt to canonicalize '<stdin>'

This little beauty would cause an assertion failure in GetCanonicalName:

  printf "#include <stdio.h>" | include-what-you-use -c -x c -

Special-case '<stdin>' like we do with '<built-in>'.

Fixes issue #1105.
---
 iwyu_path_util.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/iwyu_path_util.cc b/iwyu_path_util.cc
index 9987ea4..b63a5c0 100644
--- a/iwyu_path_util.cc
+++ b/iwyu_path_util.cc
@@ -86,7 +86,7 @@ string Basename(const string& path) {
 string GetCanonicalName(string file_path) {
   // For this special 'path' we just return it.
   // Note that we leave the 'quotes' to make it different from regular paths.
-  if (file_path == "<built-in>")
+  if (file_path == "<built-in>" || file_path == "<stdin>")
     return file_path;
 
   CHECK_(!IsQuotedInclude(file_path));