[Issue 15441] dmd segfaults using std.experimental.ndslice
via Digitalmars-d-bugs
digitalmars-d-bugs at puremagic.com
Mon Dec 14 01:35:28 PST 2015
https://issues.dlang.org/show_bug.cgi?id=15441
John Colvin <john.loughran.colvin at gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |john.loughran.colvin at gmail.
| |com
--- Comment #1 from John Colvin <john.loughran.colvin at gmail.com> ---
Further reduced:
% cat test.d
struct Slice
{
auto front()() {}
}
void foo()
{
Slice force;
foreach(p, e; force){}
}
% dmd test.d
[1] 18478 segmentation fault (core dumped) dmd test.d
% lldb dmd
(lldb) target create "dmd"
Current executable set to 'dmd' (x86_64).
(lldb) r test.d
Process 18567 launched: '/usr/local/bin/dmd' (x86_64)
Process 18567 stopped
* thread #1: tid = 0xa054c, 0x000000010014c011
dmd`ForeachStatement::semantic(Scope*) + 11601, queue =
'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
frame #0: 0x000000010014c011 dmd`ForeachStatement::semantic(Scope*) + 11601
dmd`ForeachStatement::semantic:
-> 0x10014c011 <+11601>: movq (%r13), %rax
0x10014c015 <+11605>: callq *0x1b8(%rax)
0x10014c01c <+11612>: testq %rax, %rax
0x10014c01f <+11615>: je 0x10014c031 ; <+11633>
(lldb) bt all
* thread #1: tid = 0xa054c, 0x000000010014c011
dmd`ForeachStatement::semantic(Scope*) + 11601, queue =
'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
* frame #0: 0x000000010014c011 dmd`ForeachStatement::semantic(Scope*) + 11601
frame #1: 0x0000000100146d4d dmd`CompoundStatement::semantic(Scope*) + 517
frame #2: 0x00000001000ba66a dmd`FuncDeclaration::semantic3(Scope*) + 4962
frame #3: 0x000000010006244a dmd`Module::semantic3() + 90
frame #4: 0x00000001000f6cc9 dmd`tryMain(unsigned long, char const**) +
28905
frame #5: 0x0000000100003b9b dmd`_Dmain + 47
frame #6: 0x0000000100219da8
dmd`D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ6runAllMFZ9__lambda1MFZv + 40
frame #7: 0x0000000100219ced
dmd`D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ7tryExecMFMDFZvZv + 45
frame #8: 0x0000000100219d4d
dmd`D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ6runAllMFZv + 45
frame #9: 0x0000000100219ced
dmd`D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ7tryExecMFMDFZvZv + 45
frame #10: 0x0000000100219c63 dmd`_d_run_main + 499
frame #11: 0x0000000100003c38 dmd`main + 20
frame #12: 0x00000001000021b8 dmd`_start + 230
frame #13: 0x00000001000020d1 dmd`start + 33
--
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