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On Fri, 2006-02-10 at 14:24 +0000, pinskia at gcc dot gnu dot org wrote: > > ------- Comment #1 from pinskia at gcc dot gnu dot org 2006-02-10 14:24 ------- > Confirmed, the backtrace: > #0 0x004c0784 in thread_across_edge (dummy_cond=0x41ee29f0, e=0x41ee24e0, > handle_dominating_asserts=0 '\0', stack=0x6c9530, simplify=0x422674 > <simplify_stmt_for_jump_threading>) at > /Users/pinskia/src/gcc/local/gcc/gcc/tree-ssa-threadedge.c:445 > #1 0x0042359c in dom_opt_finalize_block (walk_data=0x41ee24e0, bb=0x41ee21b0) > at /Users/pinskia/src/gcc/local/gcc/gcc/tree-ssa-dom.c:722 > #2 0x0042359c in dom_opt_finalize_block (walk_data=0xbffff80c, bb=0x41ee1930) > at /Users/pinskia/src/gcc/local/gcc/gcc/tree-ssa-dom.c:722 > #3 0x0049b044 in walk_dominator_tree (walk_data=0xbffff80c, bb=0x41ee1930) at > /Users/pinskia/src/gcc/local/gcc/gcc/domwalk.c:234 > #4 0x0049aff0 in walk_dominator_tree (walk_data=0xbffff80c, bb=0x41ee1850) at > /Users/pinskia/src/gcc/local/gcc/gcc/domwalk.c:212 > #5 0x0049aff0 in walk_dominator_tree (walk_data=0xbffff80c, bb=0x41ee1770) at > /Users/pinskia/src/gcc/local/gcc/gcc/domwalk.c:212 > #6 0x0049aff0 in walk_dominator_tree (walk_data=0xbffff80c, bb=0x41ee15b0) at > /Users/pinskia/src/gcc/local/gcc/gcc/domwalk.c:212 I should have known better. It's possible to have loops in the SSA_NAME_VALUE chain. Dumb dumb dumb. Bootstrapped and regression tested on i686-pc-linux-gnu.
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