Multiple ccalls to jl_get_UNAME in base/c.jl causes AppVeyor to SIGABRT #22713
Description
The second ccall in following change triggers a SIGABRT on AppVeyor:
diff --git a/base/c.jl b/base/c.jl
index 3385e18b4e..c3459a3d0a 100644
--- a/base/c.jl
+++ b/base/c.jl
@@ -18,7 +18,7 @@ Equivalent to the native `char` c-type.
"""
Cchar
-if is_windows()
+if ccall(:jl_get_UNAME, Any, ()) === :NT
const Clong = Int32
const Culong = UInt32
const Cwchar_t = UInt16
@@ -49,7 +49,7 @@ Equivalent to the native `wchar_t` c-type ([`Int32`](@ref)).
"""
Cwchar_t
-if !is_windows()
+if ccall(:jl_get_UNAME, Any, ()) !== :NT
const sizeof_mode_t = ccall(:jl_sizeof_mode_t, Cint, ())
if sizeof_mode_t == 2
const Cmode_t = Int16
@@ -118,7 +118,7 @@ end
# symbols are guaranteed not to contain embedded NUL
convert(::Type{Cstring}, s::Symbol) = Cstring(unsafe_convert(Ptr{Cchar}, s))
-if is_windows()
+if ccall(:jl_get_UNAME, Any, ()) === :NT
"""
Base.cwstring(s)The error portion of the log:
This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.
signal (22): SIGABRT
while loading c.jl, in expression starting on line 53
raise at C:\windows\SYSTEM32\msvcrt.dll (unknown line)
abort at C:\windows\SYSTEM32\msvcrt.dll (unknown line)
.text at C:\projects\julia\usr\bin\libjulia.dll (unknown line)
__assert at C:\projects\julia\usr\bin\libjulia.dll (unknown line)
runtime_sym_gvs<LazyModule<emit_plt(llvm::FunctionType*, const llvm::AttributeSet&, llvm::CallingConv::ID, char const*, char const*)::<lambda()> >&> at C:/projects/julia/src\ccall.cpp:100 [inlined]
emit_plt at C:/projects/julia/src\ccall.cpp:316 [inlined]
emit_a_ccall at C:/projects/julia/src\ccall.cpp:2048
emit_ccall at C:/projects/julia/src\ccall.cpp:1870
emit_expr at C:/projects/julia/src\codegen.cpp:4002
emit_assignment at C:/projects/julia/src\codegen.cpp:3681 [inlined]
emit_expr at C:/projects/julia/src\codegen.cpp:4005
emit_stmtpos at C:/projects/julia/src\codegen.cpp:3907 [inlined]
emit_function at C:/projects/julia/src\codegen.cpp:5981
jl_compile_linfo at C:/projects/julia/src\codegen.cpp:1171
jl_compile_for_dispatch at C:/projects/julia/src\gf.c:1670
jl_compile_method_internal at C:/projects/julia/src\julia_internal.h:337 [inlined]
jl_call_method_internal at C:/projects/julia/src\julia_internal.h:384 [inlined]
jl_toplevel_eval_flex at C:/projects/julia/src\toplevel.c:594
jl_parse_eval_all at C:/projects/julia/src\ast.c:908
jl_load at C:/projects/julia/src\toplevel.c:620 [inlined]
jl_load_ at C:/projects/julia/src\toplevel.c:627
include at .\sysimg.jl:21
unknown function (ip: 0693C0B7)
jl_call_fptr_internal at C:/projects/julia/src\julia_internal.h:369 [inlined]
jl_call_method_internal at C:/projects/julia/src\julia_internal.h:388 [inlined]
jl_apply_generic at C:/projects/julia/src\gf.c:1928
do_call at C:/projects/julia/src\interpreter.c:66
eval at C:/projects/julia/src\interpreter.c:246
jl_interpret_toplevel_expr_in at C:/projects/julia/src\interpreter.c:46
jl_toplevel_eval_flex at C:/projects/julia/src\toplevel.c:582
jl_eval_module_expr at C:/projects/julia/src\toplevel.c:204
jl_toplevel_eval_flex at C:/projects/julia/src\toplevel.c:482
jl_parse_eval_all at C:/projects/julia/src\ast.c:908
jl_load at C:/projects/julia/src\toplevel.c:620
exec_program at C:/projects/julia/ui\repl.c:35
true_main at C:/projects/julia/ui\repl.c:125
wmain at C:/projects/julia/ui\repl.c:250
___tmainCRTStartup at C:\projects\julia\usr\bin\julia.exe (unknown line)
BaseThreadInitThunk at C:\windows\SYSTEM32\KERNEL32.DLL (unknown line)
RtlInitializeExceptionChain at C:\windows\SYSTEM32\ntdll.dll (unknown line)
RtlInitializeExceptionChain at C:\windows\SYSTEM32\ntdll.dll (unknown line)
Allocations: 942240 (Pool: 942229; Big: 11); GC: 5
Assertion failed!
Full log: https://gist.github.com/ararslan/5a023867d8f58b241b015fd20ec93def