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From: "fw at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/107675] [13 Regression] GCC-13 is significantly
 slower to startup on C++ programs
Date: Thu, 17 Nov 2022 11:15:02 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107675

--- Comment #8 from Florian Weimer <fw at gcc dot gnu.org> ---
(In reply to Tamar Christina from comment #4)
> /opt/buildAgent/work/5c94c4ced6ebfcd0/libgcc/unwind-dw2-fde.c:111
> #6  __register_frame_info (begin=3D<optimized out>, ob=3D0x48cfe8 <object=
>) at
> /opt/buildAgent/work/5c94c4ced6ebfcd0/libgcc/unwind-dw2-fde.c:150
> #7  0x0000000000400798 in frame_dummy () at
> /opt/buildAgent/work/5c94c4ced6ebfcd0/libgcc/unwind-dw2-btree.h:361
> #8  0x0000000000400f90 in __libc_csu_init () at
> /opt/buildAgent/work/5c94c4ced6ebfcd0/libgcc/unwind-dw2-btree.h:361
> #9  0x0000000000400a78 in __libc_start_main () at
> /opt/buildAgent/work/5c94c4ced6ebfcd0/libgcc/unwind-dw2-btree.h:361
> #10 0x0000000000400688 in _start () at
> /opt/buildAgent/work/5c94c4ced6ebfcd0/libgcc/unwind-dw2-btree.h:361

Looks like a build with USE_EH_FRAME_REGISTRY. Unless you have configured w=
ith
--explicit-exception-frame-registration=3Dyes, it may mean that
USE_PT_GNU_EH_FRAME was not detected correctly.=