https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
Tom de Vries changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #17 from Tom de Vries ---
Author: vries
Date: Tue Oct 23 17:16:55 2018
New Revision: 265431
URL: https://gcc.gnu.org/viewcvs?rev=265431=gcc=rev
Log:
backport "[c++] Fix DECL_BY_REFERENCE of clone parms"
Consider test.C compiled at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #16 from Tom de Vries ---
Author: vries
Date: Tue Oct 23 15:06:17 2018
New Revision: 265427
URL: https://gcc.gnu.org/viewcvs?rev=265427=gcc=rev
Log:
backport "[c++] Fix DECL_BY_REFERENCE of clone parms"
Consider test.C compiled at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #15 from Tom de Vries ---
Author: vries
Date: Tue Oct 23 15:01:12 2018
New Revision: 265426
URL: https://gcc.gnu.org/viewcvs?rev=265426=gcc=rev
Log:
backport "[c++] Fix DECL_BY_REFERENCE of clone parms"
Consider test.C compiled at
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
Jonathan Wakely changed:
What|Removed |Added
CC||anton at swarmer dot me
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #13 from Tom de Vries ---
(In reply to Nikolay Piskun from comment #12)
> Great work, thanks. Will this fix propagate to other branches?
Patch was OK-ed for "trunk and also for branches after a while".
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #12 from Nikolay Piskun ---
Great work, thanks. Will this fix propagate to other branches?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
Richard Biener changed:
What|Removed |Added
Known to work||9.0
--- Comment #11 from Richard
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #10 from Tom de Vries ---
Author: vries
Date: Tue Jul 31 15:37:11 2018
New Revision: 263164
URL: https://gcc.gnu.org/viewcvs?rev=263164=gcc=rev
Log:
[c++] Fix DECL_BY_REFERENCE of clone parms
Consider test.C compiled at -O0 -g:
...
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
Tom de Vries changed:
What|Removed |Added
Keywords||patch
--- Comment #9 from Tom de Vries
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #8 from Tom de Vries ---
Created attachment 44464
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44464=edit
Tentative patch
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #7 from Richard Biener ---
(In reply to Tom de Vries from comment #5)
> The foo::foo function starts at label .LFB1520, which brings us to:
> ...
> .uleb128 0x8b # (DIE (0x5a99) DW_TAG_subprogram)
> .long 0x5a75
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #6 from Tom de Vries ---
Not sure yet whether this is the desired fix, but using this patch:
...
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index bd45e0b0685..fbbbe9f2d2a 100644
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #5 from Tom de Vries ---
The foo::foo function starts at label .LFB1520, which brings us to:
...
.uleb128 0x8b # (DIE (0x5a99) DW_TAG_subprogram)
.long 0x5a75 # DW_AT_abstract_origin
.long .LASF897
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #4 from Tom de Vries ---
Reproduced with trunk gcc/gdb:
...
$ cat bla.C
#include
#include
using std::string;
class foo {
public:
foo (std::string dir_hint) {
std::cout << dir_hint << "\n";
}
};
int
main (void)
{
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
Richard Biener changed:
What|Removed |Added
Keywords||wrong-debug
Target|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #2 from Nikolay Piskun ---
How to reproduce;
Set a breakpoint on line 48
Look at two variable: base (passed as reference) and dir_hint (passed as copy).
They should be the same values, but second one is wrong. Looks like compiler
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86687
--- Comment #1 from Nikolay Piskun ---
Created attachment 8
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=8=edit
Test program
How to reproduce;
Set a breakpoint on line 48
Look at two variable: base (passed as reference) and
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