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digitalmars.D.learn - ldc2 crashes when trying to compile my app

reply Per =?UTF-8?B?Tm9yZGzDtnc=?= <per.nordlow gmail.com> writes:
per:~/Work/knet] $ dub run --compiler=ldmd2 
--build=release-nobounds
The determined compiler type "ldc" doesn't match the expected 
type "dmd". This will probably result in build errors.
WARNING: A deprecated branch based version specification is used 
for the dependency gmp-d. Please use numbered versions instead. 
Also note that you can still use the dub.selections.json file to 
override a certain dependency to use a branch instead.
WARNING: A deprecated branch based version specification is used 
for the dependency knet:phobos-next. Please use numbered versions 
instead. Also note that you can still use the dub.selections.json 
file to override a certain dependency to use a branch instead.
Warning: License in subpackage knet:phobos-next is different than 
it's parent package, this is discouraged.
Performing "release-nobounds" build using ldmd2 for x86_64.
gmp-d ~master: target for configuration "library" is up to date.
knet:phobos-next ~master: building configuration "library"...
knet ~master: building configuration "application"...
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_ZN4llvm3sys15PrintStackTraceERNS_11raw_ostreamE+0x1a)[0x28919ba]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_ZN4llvm3sys17RunSignalHandlersEv+0x3e)[0x288fc7e]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2[0x288fda2]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x12890)[0x7f998c24e890]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z7DtoLValP6DValue+0xa)[0xcebd3a]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z15DtoCallFunctionR3LocP4TypeP6DValueP5ArrayIP10ExpressionEPN4llvm5ValueE+0xb34)[0xc86fe4]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2[0xc90eab]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2[0xc9116f]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z6toElemP10Expression+0x6d)[0xc8ca0d]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2[0xc92426]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z6toElemP10Expression+0x6d)[0xc8ca0d]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z17DtoVarDeclarationP14VarDeclaration+0x7e)[0xc4882e]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z17DtoDeclarationExpP7Dsymbol+0x1d1)[0xc4b8e1]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2[0xc8e806]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z10toElemDtorP10Expression+0x6d)[0xc8dced]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2[0xc79b40]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2[0xc7b2b4]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2[0xc7b2b4]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2[0xc7acfe]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z14Statement_toIRP9StatementP7IRState+0x24)[0xc79744]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z17DtoDefineFunctionP15FuncDeclarationb+0xc49)[0xc3ee49]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2[0xc33d63]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z19Declaration_codegenP7DsymbolP7IRState+0x24)[0xc367a4]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z13codegenModuleP7IRStateP6Module+0xa5)[0xc56135]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_ZN3ldc13CodeGenerator4emitEP6Module+0x99)[0xd02939]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z14codegenModulesR5ArrayIP6ModuleE+0x186)[0xcd8716]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z13mars_mainBodyR5ArrayIPKcES3_+0x1aa0)[0xafaa60]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_Z7cppmainiPPc+0x1e17)[0xcd6507]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ6runAllMFZv+0x50)[0x29d67c0]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2(_d_run_main+0x1a6)[0x29d6646]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7)[0x7f998b8b6b97]
/home/per/.local/ldc2-1.11.0-linux-x86_64/bin/ldc2[0xa22525]

What should I grep for when trying to Dustmite this?
Sep 01 2018
parent reply kinke <noone nowhere.com> writes:
On Saturday, 1 September 2018 at 19:35:53 UTC, Per Nordlöw wrote:

 What should I grep for when trying to Dustmite this?


`_Z7DtoLValP6DValue` may be suitable. - I don't use dustmite and 
prefer manual minimization; e.g., by adding `-vv > bla.log` to 
the crashing commandline. The last lines in that (pretty huge) 
log file should give you an idea of which function call makes it 
crash, and possibly even why (it's apparently expecting something 
in memory which isn't).
Of further help may be a CI build with enabled assertions, 
downloadable from 
https://github.com/ldc-developers/ldc/releases/CI.
Sep 01 2018
parent reply Per =?UTF-8?B?Tm9yZGzDtnc=?= <per.nordlow gmail.com> writes:
On Saturday, 1 September 2018 at 19:52:14 UTC, kinke wrote:

 `_Z7DtoLValP6DValue` may be suitable...


Is this a C++-symbol?

import core.demangle;
demangle("_Z7DtoLValP6DValue")

returns the same string...
Sep 01 2018
parent Per =?UTF-8?B?Tm9yZGzDtnc=?= <per.nordlow gmail.com> writes:
On Saturday, 1 September 2018 at 20:35:52 UTC, Per Nordlöw wrote:

 On Saturday, 1 September 2018 at 19:52:14 UTC, kinke wrote:

 `_Z7DtoLValP6DValue` may be suitable...


 Is this a C++-symbol?

 import core.demangle;
 demangle("_Z7DtoLValP6DValue")

 returns the same string...


It's C++.

Demangled via

     c++filt -n _Z7DtoLValP6DValue

returns

     DtoLVal(DValue*)
Sep 01 2018