From 2c54f31bfef1974054d4a6784f7bbeaa109d1c6a Mon Sep 17 00:00:00 2001
From: chrchr-github <78114321+chrchr-github@users.noreply.github.com>
Date: Tue, 12 Dec 2023 20:47:58 +0100
Subject: [PATCH] Fix #12251 internalError while cppcheck tries to parse Clang
 AST (#5755)

---
 lib/clangimport.cpp      | 2 +-
 test/testclangimport.cpp | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/clangimport.cpp b/lib/clangimport.cpp
index 805741fd0..a0d2bba55 100644
--- a/lib/clangimport.cpp
+++ b/lib/clangimport.cpp
@@ -509,7 +509,7 @@ void clangimport::AstNode::setLocations(TokenList *tokenList, int file, int line
         } else if (ext[0] == '<') {
             const std::string::size_type colon = ext.find(':');
             if (colon != std::string::npos) {
-                const bool windowsPath = colon == 2 && ext.size() > 4 && ext[3] == '\\';
+                const bool windowsPath = colon == 2 && ext.size() > 3 && ext[2] == ':';
                 const std::string::size_type sep1 = windowsPath ? ext.find(':', 4) : colon;
                 const std::string::size_type sep2 = ext.find(':', sep1 + 1);
                 file = tokenList->appendFileIfNew(ext.substr(1, sep1 - 1));
diff --git a/test/testclangimport.cpp b/test/testclangimport.cpp
index f92b8ef98..e301c41db 100644
--- a/test/testclangimport.cpp
+++ b/test/testclangimport.cpp
@@ -589,6 +589,9 @@ private:
 
         clang = "`-CXXRecordDecl 0x34cc5f8 <C:\\Foo\\Bar Baz\\1.cpp:2:1, col:7> col:7 class Foo";
         ASSERT_EQUALS("class Foo ;", parse(clang));
+
+        clang = "`-CXXRecordDecl 0x34cc5f8 <C:/Foo/Bar Baz/1.cpp:2:1, col:7> col:7 class Foo";
+        ASSERT_EQUALS("class Foo ;", parse(clang));
     }
 
     void cxxRecordDecl2() {