[Bug ipa/59469] [4.8/4.9 Regression] LLVM build failure with gcc LTO
steven at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Sun Dec 15 23:12:00 GMT 2013
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59469
--- Comment #18 from Steven Bosscher <steven at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #8)
> OK, the unmangled name of symbol is:
> 000000000004c8c0 T
> _ZN4llvm21SymbolTableListTraitsINS_10BasicBlockENS_8FunctionEE21transferNodes
> FromListERNS_12ilist_traitsIS1_EENS_14ilist_iteratorIS1_EES8_
>
> and obviously for me it is T for -O2 and for -O3 it is optimized out. Both
> seems legitimate. Can you please re-check with current mainline?
>
> I get:
> df live regs : 7.74 (12%) usr 0.00 ( 0%) sys 7.72 (12%)
> wall 0 kB ( 0%) ggc
> df live&initialized regs: 11.02 (17%) usr 0.00 ( 0%) sys 10.91 (17%)
> wall 0 kB ( 0%) ggc
> CPROP : 20.03 (32%) usr 0.44 (65%) sys 20.51 (32%)
> wall 7968 kB ( 5%) ggc
>
> (with checking on, but still seems something for steve, I do not think there
> is particularly expensive checking in CPROP)
>
> I am re-checking with 4.8
I can't reproduce this.
What platform is this? What is the command line?
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