[Bug c++/60976] New: Compilation with G++ 4.9.0 is 2-3 times slower than with 4.8.2

Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: astellar at ro dot ru Created attachment 32686 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32686&action=edit g++ -v output for 4.8.2 Hello. After test upgrade from 4.8.2 t

[Bug c++/60976] Compilation with G++ 4.9.0 is 2-3 times slower than with 4.8.2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60976 --- Comment #1 from Chernyshev Viacheslav --- Created attachment 32687 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32687&action=edit g++ -v output for 4.9.0

[Bug c++/60976] Compilation with G++ 4.9.0 is 2-3 times slower than with 4.8.2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60976 --- Comment #2 from Chernyshev Viacheslav --- Created attachment 32688 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32688&action=edit ftime-report for G++ 4.8.2

[Bug c++/60976] Compilation with G++ 4.9.0 is 2-3 times slower than with 4.8.2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60976 --- Comment #3 from Chernyshev Viacheslav --- Created attachment 32689 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32689&action=edit ftime-report for G++ 4.9.0

[Bug c++/60976] Compilation with G++ 4.9.0 is 2-3 times slower than with 4.8.2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60976 --- Comment #4 from Chernyshev Viacheslav --- After a series of tests I'm pretty sure that it is not a problem of g++, but libstdc++. Let me explain why do I think so. First, I was not able to reduce real life case to reasonably small subset that

[Bug c++/60976] Compilation with G++ 4.9.0 is 2-3 times slower than with 4.8.2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60976 --- Comment #5 from Chernyshev Viacheslav --- Created attachment 32696 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32696&action=edit Test file used

[Bug c++/60976] Compilation with G++ 4.9.0 is 2-3 times slower than with 4.8.2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60976 --- Comment #6 from Chernyshev Viacheslav --- Created attachment 32697 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32697&action=edit ftime-report, preprocessed by 4.8.2, compiled by 4.8.2

[Bug c++/60976] Compilation with G++ 4.9.0 is 2-3 times slower than with 4.8.2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60976 --- Comment #7 from Chernyshev Viacheslav --- Created attachment 32698 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32698&action=edit ftime-report, preprocessed by 4.8.2, compiled by 4.9.0

[Bug c++/60976] Compilation with G++ 4.9.0 is 2-3 times slower than with 4.8.2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60976 --- Comment #8 from Chernyshev Viacheslav --- Created attachment 32699 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32699&action=edit ftime-report, preprocessed by 4.9.0, compiled by 4.8.2

[Bug c++/60976] Compilation with G++ 4.9.0 is 2-3 times slower than with 4.8.2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60976 --- Comment #9 from Chernyshev Viacheslav --- Created attachment 32700 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32700&action=edit ftime-report, preprocessed by 4.9.0, compiled by 4.9.0

[Bug other/62002] New: -fcilkplus switch breaks format attribute.

Assignee: unassigned at gcc dot gnu.org Reporter: astellar at ro dot ru ~/src/test# cat test.cpp struct foo { void bar(char const *, ...) __attribute__((__format__(__printf__, 2, 3))); }; `g++-4.9 -c test.cpp` compiles without errors. However, `g++-4.9 -fcilkplus -c

[Bug other/62002] -fcilkplus switch breaks format attribute.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62002 --- Comment #3 from Viacheslav Chernyshev --- No, fcilkplus switch triggers compilation error when code is perfectly valid. Your example is wrong, as in C++ this pointer is an implicit first argument of member function.

[Bug other/62002] -fcilkplus switch breaks format attribute.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62002 Viacheslav Chernyshev changed: What|Removed |Added Version|4.9.2 |5.1.0 --- Comment #5 from Viache