Hi! On 2019-10-30T12:19:28+0100, Jakub Jelinek <ja...@redhat.com> wrote: > On Wed, Oct 30, 2019 at 11:57:12AM +0100, Thomas Schwinge wrote: >> ..., and when building gcc-9-branch with >> '--enable-checking=yes,extra,rtl' (apparently I'm the only one doing >> that, huh?), runs into the following (at least I suppose that's what's > > I'm testing release branches with > ../configure --enable-languages=default,ada,obj-c++,lto,go,brig,d > --enable-checking=yes,rtl,extra > too, and saw (last time I've bootstrapped/regtested gcc-9-branch > this way was Oct 21st though): > ../../gcc/machmode.h: In function ‘dw_loc_descr_node* mem_loc_descriptor(rtx, > machine_mode, machine_mode, var_init_status)’: > ../../gcc/machmode.h:520:42: warning: ‘int_mode’ may be used uninitialized in > this function [-Wmaybe-uninitialized] > 520 | ? mode_size_inline (mode) : mode_size[mode]); > | ^~~~ > ../../gcc/dwarf2out.c:15464:19: note: ‘int_mode’ was declared here > 15464 | scalar_int_mode int_mode, inner_mode, op1_mode; > | ^~~~~~~~ > and no fatal error. Are you using --enable-werror or something similar > in addition?
Eh, you're right, of course: '--enable-werror', not '--enable-checking' is relevant here. (Recovering from a cold -- brain still a bit "slow".) Grüße Thomas
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