[Bug c++/54250] New: Segmentation fault when decltype of a struct field is used in nested lambdas

[linesprower at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54250

 Bug #: 54250
   Summary: Segmentation fault when decltype of a struct field is
used in nested lambdas
Classification: Unclassified
   Product: gcc
   Version: 4.6.2
Status: UNCONFIRMED
  Severity: normal
  Priority: P3
 Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: linespro...@gmail.com


// this code causes segmentation fault during compilation
// compiled with: g++ -std=c++0x
// compiler version: 4.6.2
// note: uncommenting 'this' fixes the problem

struct T
{
int a;
int foo()
{
return [&]()->int {
return [&](decltype(/*this->*/a) _)->int {
return 1;
}(a);
}();
}
};

int main()
{
return 0;
}

[Bug c++/67608] New: ICE when capturing a local 2D array

[linesprower at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67608

Bug ID: 67608
   Summary: ICE when capturing a local 2D array
   Product: gcc
   Version: 4.9.1
Status: UNCONFIRMED
  Severity: normal
  Priority: P3
 Component: c++
  Assignee: unassigned at gcc dot gnu.org
  Reporter: linesprower at gmail dot com
  Target Milestone: ---

// command line: g++ -std=c++11 error.cpp
//
// compiler version: 4.9.2 (Ubuntu 14.04)
//
// compiler output:
// error.cpp: In lambda function:
// error.cpp:10:21: internal compiler error: in expand_expr_real_1, at
expr.c:9454
//seen[r][c] = true;
// ^


class Test
{
const int k = 50;
public:
void test()
{
bool seen[k][k];
auto trace = [&](int r, int c)
{
seen[r][c] = true;
};
trace(5, 5);
}
};

int main()
{
Test t;
t.test();
return 0;
}