From 5aae0ee660ffdae057d7c5c0e851b5620586d042 Mon Sep 17 00:00:00 2001
From: Congcong Cai <congcongcai0907@163.com>
Date: Tue, 8 Apr 2025 10:47:39 +0800
Subject: [PATCH] [clang-tidy] give dummy path when create ClangTidyContext
 (#134670)

#121323 changed the way the absolute path is computed. Empty file name
will cause absolute path ignore current folder.
This patch add "dummy" file name to avoid this issue
Fixed: #134502
---
 clang-tools-extra/clang-tidy/ClangTidyDiagnosticConsumer.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/clang-tools-extra/clang-tidy/ClangTidyDiagnosticConsumer.cpp b/clang-tools-extra/clang-tidy/ClangTidyDiagnosticConsumer.cpp
index abd6d7b4cd60..731141a545a4 100644
--- a/clang-tools-extra/clang-tidy/ClangTidyDiagnosticConsumer.cpp
+++ b/clang-tools-extra/clang-tidy/ClangTidyDiagnosticConsumer.cpp
@@ -167,8 +167,8 @@ ClangTidyContext::ClangTidyContext(
       AllowEnablingAnalyzerAlphaCheckers(AllowEnablingAnalyzerAlphaCheckers),
       EnableModuleHeadersParsing(EnableModuleHeadersParsing) {
   // Before the first translation unit we can get errors related to command-line
-  // parsing, use empty string for the file name in this case.
-  setCurrentFile("");
+  // parsing, use dummy string for the file name in this case.
+  setCurrentFile("dummy");
 }
 
 ClangTidyContext::~ClangTidyContext() = default;