[Bug middle-end/52640] [4.8 Regression] performance bottleneck: gcc/tree.c;value_member

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52640

--- Comment #21 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-12 09:43:39 UTC ---
Author: jakub
Date: Wed Dec 12 09:43:33 2012
New Revision: 194441

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194441
Log:
    PR middle-end/52640
    * varasm.c (pending_assemble_externals_set): New pointer set.
    (process_pending_assemble_externals): Destroy the pointer set.
    (assemble_external): See if decl is in pending_assemble_externals_set,
    and add it to pending_assemble_externals if necessary.
    (init_varasm_once): Allocate pending_assemble_externals_set.

    * gcc.c-torture/compile/limits-externdecl.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/limits-externdecl.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/varasm.c