https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86469
--- Comment #10 from Jonny Grant <jg at jguk dot org> ---
[copy from other ticket]
(In reply to Richard Biener from comment #3)
> (In reply to Jonny Grant from comment #0)
> > It's pretty hard to work out which file this o file comes from. Could it
> > include the first file name in the tmp path to make it clearer where it came
> > from?
> >
> > Currently:
> > /tmp/ccDxn2Yd.ltrans0.ltrans.o
> >
> > Expected:
> > /tmp/main.cpp.ccDxn2Yd.ltrans0.ltrans.o
> >
> > Example below of what I see
> >
> > jonny@asus:~/domains$ make
> > g++-8 -std=c++11 -g -ggdb -pthread -O0 -Werror -Wextra -Wshadow
> > -Wformat-nonliteral -Wall -Wnonnull -Wpedantic -fstack-protector-strong
> > -Wdiv-by-zero -Wsign-conversion -Wnull-dereference -flto
> > -Wno-nonnull-compare -o proc main.cpp test_whois.cpp <snip file list>
> > /usr/bin/x86_64-linux-gnu-ld: Dwarf Error: Offset (1678049557) greater than
> > or equal to .debug_str size (5846).
>
> ^^^
>
> oh, and as for this DWARF section sizes are limited to 2GB as offsets are
> 32bits only. The above offset is 0x64050115 which _may_ indicate an
> overflow (and .debug_str is unlikely to be just 5846 bytes in size).
>
> If you do not use LTO how large are your .debug_* sections in the final
> executable?
Hi Richard
WITH LTO -flto
Idx Name Size VMA LMA File off Algn
31 .debug_str 000c1a35 0000000000000000 0000000000000000 0021043a 2**0
CONTENTS, READONLY, DEBUGGING
793,141 bytes
WITHOUT LTO:
Idx Name Size VMA LMA File off Algn
31 .debug_str 000c180c 0000000000000000 0000000000000000 0023394f 2**0
CONTENTS, READONLY, DEBUGGING
792,588 bytes
