From 11aa09fac29b0a21c422bd3b4db7f0372832ad3c Mon Sep 17 00:00:00 2001
From: Fangrui Song <i@maskray.me>
Date: Fri, 29 Dec 2017 19:18:40 -0800
Subject: [PATCH] Don't reject macro definitions in system headers

Before, an assert() macro expansion jumps to __assert_fail but not
assert. This is because OnIndexReference finds a reference to __assert_fail
but VisitMacroDefinitionAndExpansions rejects the expansion.
---
 src/indexer.cc | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/indexer.cc b/src/indexer.cc
index 8291bcff..2505cd41 100644
--- a/src/indexer.cc
+++ b/src/indexer.cc
@@ -923,9 +923,6 @@ ClangCursor::VisitResult VisitMacroDefinitionAndExpansions(ClangCursor cursor,
       // Resolve location, find IndexFile instance.
       CXSourceRange cx_source_range =
           clang_Cursor_getSpellingNameRange(cursor.cx_cursor, 0, 0);
-      CXSourceLocation start = clang_getRangeStart(cx_source_range);
-      if (clang_Location_isInSystemHeader(start))
-        break;
       CXFile file;
       Range decl_loc_spelling = Resolve(cx_source_range, &file);
       IndexFile* db = ConsumeFile(param, file);