April 11, 2019 [Issue 19802] New: Possible regression with dustmite | ||||
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https://issues.dlang.org/show_bug.cgi?id=19802 Issue ID: 19802 Summary: Possible regression with dustmite Product: D Version: D2 Hardware: x86_64 OS: Linux Status: NEW Severity: enhancement Priority: P1 Component: druntime Assignee: nobody@puremagic.com Reporter: me@francescomecca.eu I am getting a sigsegv running dustmite compiled with dmd ~master: ``` (gdb) r --force ../../druntime/src/ 'grep -nR HAVE_FORK' ``` ``` [...] Loading ../../druntime/src/rt/util/typeinfo.d Loading ../../druntime/src/test_runner.d None => Program received signal SIGSEGV, Segmentation fault. _D4core6atomic__T10atomicLoadVEQBdQBb11MemoryOrderi3TkZQBmFNaNbNiNfKOxkZk (val=<error reading variable>) at ../druntime/import/core/atomic.d:1130 1130 lock; // lock always needed to make this op atomic (gdb) bt #0 _D4core6atomic__T10atomicLoadVEQBdQBb11MemoryOrderi3TkZQBmFNaNbNiNfKOxkZk (val=<error reading variable>) at ../druntime/import/core/atomic.d:1130 #1 0x00005555557f3014 in std.stdio.File.__postblit() (this=...) at std/stdio.d:468 #2 0x00005555557f1bec in _D3std7process10spawnShellFNeMAxaSQBg5stdio4FileQpQrMxHAyaAyaEQCiQCh6ConfigMQBuMQzZCQDeQDd3Pid ( shellPath=..., workDir=..., config=<incomplete type>, env=..., stderr=..., stdout=..., stdin=..., command=...) at std/process.d:1307 #3 0x000055555573e70c in _D8dustmite4testFSQq9ReductionZ6doTestMFZb (__capture=0x7fffdef44680) at ../../phobos/std/process.d:1288 #4 0x000055555573e8f1 in _D8dustmite4testFSQq9ReductionZ12__dgliteral7MFNaNiNfZb (__capture=0x7fffdef44680) at dustmite.d:1535 #5 0x000055555573e3db in _D8dustmite4testFSQq9ReductionZ9lookaheadMFLbZb (__capture=0x7fffdef44680, fallback=1730765656476055832606875017561728) at dustmite.d:1512 #6 0x000055555573e8d8 in _D8dustmite4testFSQq9ReductionZ12__dgliteral8MFNaNiNfZb (__capture=0x7fffdef44680) at dustmite.d:1535 #7 0x000055555573d892 in _D8dustmite4testFSQq9ReductionZ10diskCachedMFLbZb (__capture=0x7fffdef44680, fallback=1730765656475391749820221473703552) at dustmite.d:1408 #8 0x000055555573e8b4 in _D8dustmite4testFSQq9ReductionZ12__dgliteral9MFNaNiNfZb (__capture=0x7fffdef44680) at dustmite.d:1535 #9 0x000055555573d5bc in _D8dustmite4testFSQq9ReductionZ9ramCachedMFNfLbZb (__capture=0x7fffdef44680, fallback=1730765656474727667033567929845376) at dustmite.d:1377 #10 0x000055555573d459 in _D8dustmite4testFSQq9ReductionZb (reduction=...) at dustmite.d:1535 #11 0x00005555557386eb in D main (args=...) at dustmite.d:275 (gdb) l 1125 asm pure nothrow @nogc @trusted 1126 { 1127 mov EDX, 0; 1128 mov EAX, 0; 1129 mov RCX, val; 1130 lock; // lock always needed to make this op atomic 1131 cmpxchg [RCX], EDX; 1132 } 1133 } 1134 else (gdb) ``` -- |
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