https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77576
--- Comment #2 from likan_999.student at sina dot com ---
Andrew, do you how I can tell whether plugin has been picked by successfully?
Also, if I use ar, do I need to pass it some flag, e.g. --plugin=something, or
it will just work if it is used
y: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: likan_999.student at sina dot com
Target Milestone: ---
For some build tools, they use @file intensively, i.e. putting command line
arguments into a file, and run
gcc-ar @some-file
This will break, basically d
: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: likan_999.student at sina dot com
Target Milestone: ---
The following code generates wrong result:
#include
using namespace std;
template struct ArrayHolder { T v[N]; };
constexpr ArrayHolder makeArray
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54104
--- Comment #6 from likan_999.student at sina dot com 2012-07-27 10:19:11 UTC
---
@Jonathan Wakely, thanks a lot :-)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54104
--- Comment #4 from likan_999.student at sina dot com 2012-07-27 09:58:50 UTC
---
@Jonathan Wakely, thanks for the fast response. Can you assign it to an
appropriate person?
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54104
--- Comment #2 from likan_999.student at sina dot com 2012-07-27 09:06:48 UTC
---
BTW: the compiler error is
c.cpp: In function 'void f(const U&)':
c.cpp:3:15: error: no default argument for 'U'
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54104
--- Comment #1 from likan_999.student at sina dot com 2012-07-27 09:04:49 UTC
---
The example can be further reduced to:
template
void f(const U& m) {
auto g = [] () {};
}
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54104
Bug #: 54104
Summary: no default argument for 'XXX'
Classification: Unclassified
Product: gcc
Version: 4.7.1
Status: UNCONFIRMED
Severity: critical
Priority: P3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54075
--- Comment #15 from likan_999.student at sina dot com 2012-07-26 22:10:21 UTC
---
Tried the patch and just as Dennis Lubert pointed out, the number of rehashes
is not decreased. Is there any plan to fix this issue?
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54075
--- Comment #7 from likan_999.student at sina dot com 2012-07-24 00:42:57 UTC
---
@Paolo Carlini: the problem is, with different max_load_factor in range
[0.2-5], the *best* result of 4.7.1 is still 2x slower than the *worst* of
4.6.2.
I
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54075
--- Comment #5 from likan_999.student at sina dot com 2012-07-24 00:17:10 UTC
---
@Paolo Carlini: can you talk more about how to experiment with max_load_factor?
As long as I use the same max_load_factor for 4.6 and 4.7, I can still see the
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54075
--- Comment #2 from likan_999.student at sina dot com 2012-07-23 23:09:43 UTC
---
Created attachment 27862
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27862
Profiling of gcc-4.6.2 using google-perftools
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54075
--- Comment #1 from likan_999.student at sina dot com 2012-07-23 23:08:07 UTC
---
Created attachment 27861
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27861
Profiling using google-perftools
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54075
Bug #: 54075
Summary: [4.7.1] unordered_map 3x slower than 4.6.2
Classification: Unclassified
Product: gcc
Version: 4.7.1
Status: UNCONFIRMED
Severity: critical
Prior
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53862
--- Comment #2 from Ke Liu 2012-07-05
09:10:04 UTC ---
Any work around is welcome.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53862
--- Comment #1 from Ke Liu 2012-07-05
09:08:44 UTC ---
BTW: this piece of code can be compiled successfully by clang++
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53862
Ke Liu changed:
What|Removed |Added
Severity|major |critical
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53862
Bug #: 53862
Summary: [GCC 4.7.1] sorry, unimplemented: use of
'type_pack_expansion' in template
Classification: Unclassified
Product: gcc
Version: 4.7.1
Status: UNCO
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