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mmitchel authored(verify_stmt_tree): Likewise. (find_tree): Likewise. * decl.c (function_depth): Give it external linkage. * optimize.c (optimize_function): Increment and decrement it. * tree.c (verify_stmt_tree_r): New function. (verify_stmt_tree): Likewise. (find_tree_r): Likewise. (find_tree): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@35301 138bc75d-0d04-0410-961f-82ee72b054a4
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