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[committed] libstdc++: Fix circular dependency for bitmap_allocator [PR103381]

Message ID 20211123125820.908334-1-jwakely@redhat.com
State Committed
Commit 5459fa132a99e6037e5ccf1b49d617677a584ff8
Headers show
Series [committed] libstdc++: Fix circular dependency for bitmap_allocator [PR103381] | expand

Commit Message

Jonathan Wakely Nov. 23, 2021, 12:58 p.m. UTC
Tested powerpc64le-linux, pushed to trunk. Backports needed too.


<ext/bitmap_allocator.h> includes <function>, and since C++17 that
includes <unordered_map>. If std::allocator is defined in terms of
__gnu_cxx::bitmap_allocator then you get a circular reference and
bootstrap fails when compiling src/c++17/*.cc.

libstdc++-v3/ChangeLog:

	PR libstdc++/103381
	* include/ext/bitmap_allocator.h: Include <bits/stl_function.h>
	instead of <functional>.
---
 libstdc++-v3/include/ext/bitmap_allocator.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/libstdc++-v3/include/ext/bitmap_allocator.h b/libstdc++-v3/include/ext/bitmap_allocator.h
index cc80593764c..0444deb479c 100644
--- a/libstdc++-v3/include/ext/bitmap_allocator.h
+++ b/libstdc++-v3/include/ext/bitmap_allocator.h
@@ -31,7 +31,7 @@ 
 
 #include <utility> // For std::pair.
 #include <bits/functexcept.h> // For __throw_bad_alloc().
-#include <functional> // For greater_equal, and less_equal.
+#include <bits/stl_function.h> // For greater_equal, and less_equal.
 #include <new> // For operator new.
 #include <debug/debug.h> // _GLIBCXX_DEBUG_ASSERT
 #include <ext/concurrence.h>