tests run-pass/issue-3176, issue-3168, pipe-sleep and unit-like-struct-drop-run fail on windows

[crnobog]

issue-3176 exits with status 101

$ PATH=$PATH:./i686-pc-mingw32/stage2/bin ./i686-pc-mingw32/test/run-pass/issue-3176.stage2-i686-pc-mingw32.exe
rust: ~"\"child blocks\""
rust: ~"\"sibling fails\""
rust: task failed at 'explicit failure', c:\code\rust\src\test\run-pass\issue-3176.rs:24
rust: domain main @0x9d7ec8 root task failed

issue-3168 exits with status 101

$ PATH=$PATH:./i686-pc-mingw32/stage2/bin ./i686-pc-mingw32/test/run-pass/issue-3168.stage2-i686-pc-mingw32.exe
rust: ~"\"child blocks\""
rust: ~"\"sibling fails\""
rust: task failed at 'explicit failure', c:\code\rust\src\test\run-pass\issue-3168.rs:23
rust: domain main @0x647ca8 root task failed

pipe-sleep segfaults

#0  0x00000000 in ?? ()
#1  0x6e097048 in uv_process_async_wakeup_req (loop=0x482e38, handle=0x4a33b8, req=0x4a33d8) at c:/code/rust/src/libuv/src/win/async.c:95
#2  0x6e0963db in uv_process_reqs (loop=0x482e38) at c:/code/rust/src/libuv/src/win/req-inl.h:187
#3  0x6e09697b in uv_run (loop=0x482e38, mode=UV_RUN_DEFAULT) at c:/code/rust/src/libuv/src/win/core.c:275
#4  0x6e08a579 in rust_uv_run (loop=0x482e38) at c:/code/rust/src/rt/rust_uv.cpp:150
#5  0x66d816fa in rust_uv_run__c_stack_shim () from c:\code\rust\i686-pc-mingw32\stage2\bin\extra-a7c050cfd46b2c9a-0.8-pre.dll
#6  0x00482e38 in ?? ()
#7  0x6e095be7 in __morestack () from c:\code\rust\i686-pc-mingw32\stage2\bin\rustrt.dll
#8  0x6e088dbc in call_on_c_stack (fn_ptr=0x66d816d0, args=0x4a3fb0, this=0x496810) at c:/code/rust/src/rt/rust_task.h:481
#9  upcall_call_shim_on_c_stack (args=0x4a3fb0, fn_ptr=0x66d816d0) at c:/code/rust/src/rt/rust_upcall.cpp:70
#10 0x66e0e8b2 in uv_iotask::run_loop::_877bbf56d1282f9::_0$x2e8$x2dpre () from c:\code\rust\i686-pc-mingw32\stage2\bin\extra-a7c050cfd46b2c9a-0.8-pre.dll
#11 0x004a3fb0 in ?? ()
#12 0x66ecc8d4 in __morestack () from c:\code\rust\i686-pc-mingw32\stage2\bin\extra-a7c050cfd46b2c9a-0.8-pre.dll
#13 0x66e0b8ef in uv_iotask::run_loop::_877bbf56d1282f9::_0$x2e8$x2dpre () from c:\code\rust\i686-pc-mingw32\stage2\bin\extra-a7c050cfd46b2c9a-0.8-pre.dll
#14 0x00000d24 in ?? ()
warning: (Internal error: pc 0x7 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x0 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x8 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7 in read in psymtab, but not in symtab.)

#15 0x00000008 in ?? ()
#16 0x66e19314 in uv_global_loop::spawn_loop::anon::anon::anon::expr_fn_25594 () from c:\code\rust\i686-pc-mingw32\stage2\bin\extra-a7c050cfd46b2c9a-0.8-pre.dll
#17 0x004956a8 in ?? ()
#18 0x68067160 in unstable::weak_task::weaken_task::_e287925c6d2da91e::_0$x2e8$x2dpre () from c:\code\rust\i686-pc-mingw32\stage2\bin\std-6c65cf4b443341b1-0.8-pre.dll
#19 0x00481158 in ?? ()
#20 0x680d4340 in __morestack () from c:\code\rust\i686-pc-mingw32\stage2\bin\std-6c65cf4b443341b1-0.8-pre.dll
#21 0x6806676f in unstable::weak_task::weaken_task::_e287925c6d2da91e::_0$x2e8$x2dpre () from c:\code\rust\i686-pc-mingw32\stage2\bin\std-6c65cf4b443341b1-0.8-pre.dll
#22 0x00000494 in ?? ()
warning: (Internal error: pc 0x7 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x0 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x8 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x7 in read in psymtab, but not in symtab.)

#23 0x00000008 in ?? ()
#24 0x68033cd5 in task::spawn::spawn_raw_oldsched::make_child_wrapper::anon::expr_fn_20860 () from c:\code\rust\i686-pc-mingw32\stage2\bin\std-6c65cf4b443341b1-0.8-pre.dll
#25 0x004956f0 in ?? ()
#26 0x680d4340 in __morestack () from c:\code\rust\i686-pc-mingw32\stage2\bin\std-6c65cf4b443341b1-0.8-pre.dll
#27 0x6803355f in task::spawn::spawn_raw_oldsched::make_child_wrapper::anon::expr_fn_20860 () from c:\code\rust\i686-pc-mingw32\stage2\bin\std-6c65cf4b443341b1-0.8-pre.dll
#28 0x0000034c in ?? ()
warning: (Internal error: pc 0x3 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x0 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x3 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x4 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x3 in read in psymtab, but not in symtab.)

warning: (Internal error: pc 0x3 in read in psymtab, but not in symtab.)

#29 0x00000004 in ?? ()
#30 0x00000000 in ?? ()

unit-like-struct-drop-run exits before the assert

$ PATH=$PATH:./i686-pc-mingw32/stage2/bin ./i686-pc-mingw32/test/run-pass/unit-like-struct-drop-run.stage2-i686-pc-mingw32.exe
rust: task failed at 'This failure should happen.', c:\code\rust\src\test\run-pass\unit-like-struct-drop-run.rs:20
rust: domain main @0x604fe8 root task failed

[catamorphism]

Note that issue-3176 has been removed, issue-3168 is now xfailed on all platforms due to linked failure, and pipe-sleep appears to have been removed too. So only unit-like-struct-drop-run is an issue now. I'm pushing a try build to see if it's still broken.