digitalmars.D.bugs - [Issue 6030] New: Segmentation fault with method overloading and alias this
- d-bugmail puremagic.com (34/34) May 18 2011 http://d.puremagic.com/issues/show_bug.cgi?id=6030
- d-bugmail puremagic.com (29/29) Aug 14 2011 http://d.puremagic.com/issues/show_bug.cgi?id=6030
- d-bugmail puremagic.com (30/30) Aug 14 2011 http://d.puremagic.com/issues/show_bug.cgi?id=6030
- d-bugmail puremagic.com (13/13) Nov 03 2011 http://d.puremagic.com/issues/show_bug.cgi?id=6030
http://d.puremagic.com/issues/show_bug.cgi?id=6030
Summary: Segmentation fault with method overloading and alias
this
Product: D
Version: D2
Platform: Other
OS/Version: Mac OS X
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nobody puremagic.com
ReportedBy: robert octarineparrot.com
--- Comment #0 from Robert Clipsham <robert octarineparrot.com> 2011-05-18
19:38:10 BST ---
struct A
{
static A a;
alias a this;
}
struct B
{
int opSlice(size_t, size_t);
int opSlice(size_t, A);
}
void main()
{
B b;
b[0..A];
}
Causes a segmentation fault using the latest git. Possibly related to issue
#6029.
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d-bugmail puremagic.com
http://d.puremagic.com/issues/show_bug.cgi?id=6030
Trass3r <mrmocool gmx.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mrmocool gmx.de
--- Comment #1 from Trass3r <mrmocool gmx.de> 2011-08-14 14:57:37 PDT ---
$ gdb --batch -ex 'run test4.d' -ex 'bt 25' dmd
Program received signal SIGSEGV, Segmentation fault.
0x0000000000517f40 in aliasthisConvTo (ad=Cannot access memory at address
0x7fffff7fefe8) at mtype.c:7193
7193 {
#0 0x0000000000517f40 in aliasthisConvTo (ad=Cannot access memory at address
0x7fffff7fefe8) at mtype.c:7193
#1 0x0000000000518380 in TypeStruct::implicitConvTo (this=0x86f2c0,
to=0x8631d0) at mtype.c:7269
#2 0x0000000000518120 in aliasthisConvTo (ad=0x86f110, from=0x86f2c0,
to=0x8631d0) at mtype.c:7213
#3 0x0000000000518380 in TypeStruct::implicitConvTo (this=0x86f2c0,
to=0x8631d0) at mtype.c:7269
#4 0x0000000000518120 in aliasthisConvTo (ad=0x86f110, from=0x86f2c0,
to=0x8631d0) at mtype.c:7213
#5 0x0000000000518380 in TypeStruct::implicitConvTo (this=0x86f2c0,
to=0x8631d0) at mtype.c:7269
#6 0x0000000000518120 in aliasthisConvTo (ad=0x86f110, from=0x86f2c0,
to=0x8631d0) at mtype.c:7213
...
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Aug 14 2011
http://d.puremagic.com/issues/show_bug.cgi?id=6030
Kenji Hara <k.hara.pg gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |k.hara.pg gmail.com
--- Comment #2 from Kenji Hara <k.hara.pg gmail.com> 2011-08-14 16:12:32 PDT ---
Mutually recursion version.
struct A
{
static B b;
alias b this;
}
struct B
{
static A a;
alias a this;
}
struct C
{
int opSlice(size_t, size_t){ return 0; }
int opSlice(size_t, A){ return 0; }
}
void main()
{
C c;
c[0..A];
}
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Trass3r <mrmocool gmx.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |DUPLICATE
--- Comment #3 from Trass3r <mrmocool gmx.de> 2011-11-03 08:36:39 PDT ---
This has nothing to do with method overloading.
It's a stack overflow caused by aliasthisConvTo.
*** This issue has been marked as a duplicate of issue 6029 ***
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