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[Bug middle-end/46510] [4.6 Regression] r166812 breaks bootstrap on x86_64-apple-darwin10


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46510

--- Comment #24 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2010-11-21 18:32:49 UTC ---
> breakpoint on internal_error should help. I will take a look.

with breakpoint at fancy_abort:

#0  fancy_abort (file=0x100e4f182 "../../work/gcc/varpool.c", line=341,
function=0x100e4f28f "decide_is_variable_needed") at
../../work/gcc/diagnostic.c:893
#1  0x0000000100d4d541 in decide_is_variable_needed (node=0x142d0b6e8,
decl=0x142ddfaa0) at ../../work/gcc/varpool.c:341
#2  0x0000000100d4dab0 in varpool_finalize_decl (decl=0x142ddfaa0) at
../../work/gcc/varpool.c:424
#3  0x00000001009e1ed3 in new_emutls_decl (decl=0x142d088c0) at
../../work/gcc/tree-emutls.c:332
#4  0x00000001009e3ae6 in ipa_lower_emutls () at
../../work/gcc/tree-emutls.c:728
#5  0x0000000100850420 in execute_one_pass (pass=0x1010ad480) at
../../work/gcc/passes.c:1564
#6  0x0000000100851431 in execute_ipa_pass_list (pass=0x1010ad480) at
../../work/gcc/passes.c:1931
#7  0x0000000100ce211a in ipa_passes () at ../../work/gcc/cgraphunit.c:1696
#8  0x0000000100ce22fd in cgraph_optimize () at
../../work/gcc/cgraphunit.c:1765
#9  0x0000000100cdf69a in cgraph_finalize_compilation_unit () at
../../work/gcc/cgraphunit.c:1017
#10 0x000000010003100d in c_write_global_declarations () at
../../work/gcc/c-decl.c:9837
#11 0x000000010096aa40 in compile_file () at ../../work/gcc/toplev.c:888
#12 0x000000010096db48 in do_compile () at ../../work/gcc/toplev.c:2319
#13 0x000000010096dc98 in toplev_main (argc=8, argv=0x7fff5fbfd900) at
../../work/gcc/toplev.c:2382
#14 0x0000000100115df7 in main (argc=8, argv=0x7fff5fbfd900) at
../../work/gcc/main.c:36


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