https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93196
--- Comment #17 from xiehongbiao ---
(In reply to Andrew Pinski from comment #16)
> I don't see anything wrong with strace of the -O2 case. In fact I see:
> [pid 10270] stat("a.out", {st_mode=S_IFREG|0755, st_size=8592, ...}) = 0
> [pid 10270] l
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93196
--- Comment #15 from xiehongbiao ---
(In reply to Martin Liška from comment #14)
> (In reply to xiehongbiao from comment #13)
> > (In reply to Martin Liška from comment #9)
> > > Can you please attach output for strace -f -s512 of the problematic
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93196
--- Comment #13 from xiehongbiao ---
(In reply to Martin Liška from comment #9)
> Can you please attach output for strace -f -s512 of the problematic
> execution?
Please help check the strace log (attached). Thanks.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93196
--- Comment #12 from xiehongbiao ---
Created attachment 47618
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47618&action=edit
strace log
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93196
--- Comment #10 from xiehongbiao ---
(In reply to Andrew Pinski from comment #8)
> Can you also add -Wl,-v ; this will cause collect2 to print it runs?
It reports error :"gcc: error: unrecognized command line option ‘-Wl’".
Please let me know i
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93196
--- Comment #7 from xiehongbiao ---
Created attachment 47611
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47611&action=edit
log comparation snapshot
The above 2 logs comparation snapshot.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93196
--- Comment #6 from xiehongbiao ---
(In reply to Martin Liška from comment #3)
> (In reply to xiehongbiao from comment #2)
> > (In reply to Andrew Pinski from comment #1)
> > > Double check that your -O2 is a capitalized O. My bet it is not and
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93196
--- Comment #5 from xiehongbiao ---
Created attachment 47610
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47610&action=edit
O1 Good
Add -v in compile command
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93196
--- Comment #4 from xiehongbiao ---
Created attachment 47609
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47609&action=edit
O2 NG
add -v in compile command.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93196
--- Comment #2 from xiehongbiao ---
(In reply to Andrew Pinski from comment #1)
> Double check that your -O2 is a capitalized O. My bet it is not and really
> you are producing a file called 2 instead.
Thanks for the reply Andrew. I'm sure that
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: xiehongbiao at sensetime dot com
Target Milestone: ---
Thanks for reading this.
I'm using gcc 5.4.0 to compile an open source project gmp-6.1.2. Some errors
happen in my Ubuntu
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