--- Comment #6 from gael dot guennebaud at gmail dot com 2010-06-11 14:05
---
Created an attachment (id=20893)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20893&action=view)
A new test case preprocessed with gcc 4.3.4 for -fno-guess-branch-probability
Hi,
here is a n
--- Comment #3 from gael dot guennebaud at gmail dot com 2010-03-15 18:25
---
Created an attachment (id=20111)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20111&action=view)
the test case preprocessed with 4.3.3
Oops, indeed it seems I messed up the first time. This one
--- Comment #5 from gael dot guennebaud at gmail dot com 2010-02-02 20:44
---
I hit the same issue, and according to c++ standard, here we have a _dependent_
lookup, and so the qHash(int*) overloads should be found.
Here is an example directly taken from the C++ standard (14.6, #9
--- Comment #1 from gael dot guennebaud at gmail dot com 2009-12-02 14:48
---
Created an attachment (id=19210)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19210&action=view)
the preprocessed test program
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42255
Product: gcc
Version: 4.3.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: debug
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: gael dot guennebaud at gmail dot com
GCC build triplet: 4.3.3
GCC
--- Comment #4 from gael dot guennebaud at gmail dot com 2009-06-24 11:12
---
some additional info:
- compiling with -fno-strict-aliasing fix the issue, so perhaps this is not a
real bug but a feature ?
- on the other hand using the may_alias type attribute for casting does not
help
--- Comment #3 from gael dot guennebaud at gmail dot com 2009-06-24 10:53
---
There is a compilable example attached to comment #1.
Furthermore, I can reproduce the problem with gcc 4.1.3, 4.2.4, 4.3.2, and
4.4.0, so I don't think it is a duplicate of PR40141.
FYI, in the meant
--- Comment #1 from gael dot guennebaud at gmail dot com 2009-06-24 08:07
---
Created an attachment (id=18055)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18055&action=view)
a complete example showing the problem
usage:
Works:
g++ -O3 instr_dependency
Component: target
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: gael dot guennebaud at gmail dot com
GCC build triplet: x86_64-pc-linux
GCC host triplet: x86_64-pc-linux
GCC target triplet: x86_64-pc-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40537
