[Bug dynamic-link/15311] _dl_sort_fini static deps can be violated by dynamic ones

["dhatch at ilm dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=15311

--- Comment #5 from Don Hatch <dhatch at ilm dot com> 2013-03-28 04:36:23 UTC ---
Created attachment 6954
  --> http://sourceware.org/bugzilla/attachment.cgi?id=6954
test case for bug Bug 15311 - patch adding new test "order3" to git master at
3a7182a14b

/*
  Test case for bug 15311 "_dl_sort_fini static deps can be violated by dynamic
ones".

  Static dependencies: 1->2->3->4
  Dynamic dependencies: 4->2, 4->1, 3->1, 2->21->1, 3->32->2, 4->43->3
  The static dependencies are acyclic, so they should all be honored.
  Every dynamic dependency takes part in contradicting static dependencies,
  so they should all be ignored.

  Output should be "4{2{21{1{}}}1{}43{3{1{}32{2{21{1{}}}}}}}0123456"
  (the curly brace stuff just verifies the test is set up correctly;
  the 0123456 at the end shows that _dl_sort_fini got the fini right order).
*/

The current implementation has very little chance of getting it right--
its output ends in 0134256.

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