[Issue 24271] dmd exits with -4 on dub release (not sure what causes error, but have minimal repro code)

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24271

Basile-z <b2.temp at gmx.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |backend, ice

--- Comment #1 from Basile-z <b2.temp at gmx.com> ---
You need to compile -O to get the dmd SIGILL.

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Program received signal SIGILL, Illegal instruction.
0x000055555596f8c6 in comsub(CodeBuilder&, elem*, unsigned int*) ()
Missing separate debuginfos, use: dnf debuginfo-install dmd-2.104.0-0.x86_64
(gdb) bt
#0  0x000055555596f8c6 in comsub(CodeBuilder&, elem*, unsigned int*) ()
#1  0x000055555596df78 in codelem(CodeBuilder&, elem*, unsigned int*, unsigned
int) ()
#2  0x00005555559b6893 in orthxmm(CodeBuilder&, elem*, unsigned int*) ()
#3  0x000055555596e022 in codelem(CodeBuilder&, elem*, unsigned int*, unsigned
int) ()
#4  0x00005555559b3e6d in xmmcnvt(CodeBuilder&, elem*, unsigned int*) ()
#5  0x000055555596e022 in codelem(CodeBuilder&, elem*, unsigned int*, unsigned
int) ()
#6  0x000055555597986d in scodelem(CodeBuilder&, elem*, unsigned int*, unsigned
int, bool) ()
#7  0x00005555559af218 in xmmeq(CodeBuilder&, elem*, unsigned int, elem*,
elem*, unsigned int*) ()
#8  0x000055555596e022 in codelem(CodeBuilder&, elem*, unsigned int*, unsigned
int) ()
--Type <RET> for more, q to quit, c to continue without paging--
#9  0x00005555559c3abb in outblkexitcode(CodeBuilder&, block*, int&, char
const*, Symbol**, unsigned int) ()
#10 0x00005555559d5be1 in blcodgen(block*) ()
#11 0x00005555559cd17d in codgen(Symbol*) ()
#12 0x00005555559e69ab in writefunc2(Symbol*) ()
#13 0x00005555557d2634 in toObjFile::ToObjFile::visit(FuncDeclaration*) ()
#14 0x00005555557d3961 in toObjFile::ToObjFile::visit(StructDeclaration*) ()
#15 0x00005555558d688e in genObjFile(Module*, bool) ()
#16 0x00005555558d2cba in dmd.glue.generateCodeAndWrite(dmd.dmodule.Module[],
const(char)*[], const(char)[], const(char)[], bool, bool, bool, bool, bool) ()
#17 0x00005555558f5e08 in dmd.mars.tryMain(ulong, const(char)**, ref
dmd.globals.Param) ()
#18 0x00005555558ff801 in D main ()

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