https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82552
--- Comment #2 from Stephan Beyer ---
I had expected this but I could not find the specific one.
(I found a few related ones that were resolved as FIXED.)
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: s-beyer at gmx dot net
Target Milestone: ---
Hi,
the following code example is pretty harmless but the underlying issue
took me quite some time to debug in real code (where
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: s-beyer at gmx dot net
Target Milestone: ---
Hi,
$ cat foo.cc
#include
template
void foo() {
std::istringstream ss("a\nb\nc");
std::string attr;
while (std::getline(ss, attr));
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: s-beyer at gmx dot net
Target Milestone: ---
Hi,
g++ 7.0.1 asks me for reporting a bug, so I do it.
I have the following minimal example:
$ cat gcc-bug.cpp
#include
struct Outer
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79877
--- Comment #2 from Stephan Beyer ---
Hi,
(In reply to Marc Glisse from comment #1)
> The message seems pretty clear to me. gcc has an optimization that turns
> i-1>i into false, and is telling you that it applied it (not that there is
>
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: s-beyer at gmx dot net
Target Milestone: ---
Hi,
I have the following code:
$ cat foo.cc
#include
static int strict_overflow_warning(int bitmask) {
int max = -1;
for (int i = 31; i > max
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68336
Stephan Beyer changed:
What|Removed |Added
CC||s-beyer at gmx dot net
--- Comment #3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78487
Stephan Beyer changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78487
--- Comment #5 from Stephan Beyer ---
It crashes on run-time.
I have absolutely no experience using extended asm syntax but I
guess g++ relies on the constraints for its optimization, so I
guess the constraints are wrong.
I will port the code
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78487
--- Comment #2 from Stephan Beyer ---
The following problem is only reproducible on one machine.
I cannot reproduce it on any other machine.
When compiling the attached C++ source file with
g++ -O1 -fgcse, it crashes at the third cpuid call
++
Assignee: unassigned at gcc dot gnu.org
Reporter: s-beyer at gmx dot net
Target Milestone: ---
Created attachment 40123
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40123=edit
the C++ source
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