symbol suggestion algorithm goes a bit awry

["Luís]

Maybe we should tweak the symbol suggestion algorithm :-)

     extern(C) void f();

     void main()
     {
         f();
     }

$ dmd test.d (v2.063.2)
Undefined symbols for architecture x86_64:
   "_f", referenced from:
       __Dmain in test.o
      (maybe you meant: 
_D17src/object_.d.80815__unittest_failFiZv, 
_D17src/object_.d.81315__unittest_failFiZv , 
_D2rt3aaA15__unittest_failFiZv , 
_D17src/object_.d.81415__unittest_failFiZv , 
_D17src/object_.d.80915__unittest_failFiZv , 
_D2rt8typeinfo8ti_float10TypeInfo_f4swapMxFNaNbNePvPvZv , 
_D2rt8typeinfo8ti_float10TypeInfo_f5tsizeMxFNaNbNdNeZm , 
_D2rt8typeinfo8ti_float10TypeInfo_f7getHashMxFNaNbNexPvZm , 
_D10TypeInfo_f7__ClassZ , 
_D2rt8typeinfo8ti_float10TypeInfo_f7_equalsFNaNbNeffZb , 
_D16src/object_.d.9815__unittest_failFiZv , 
_D33../druntime/import/object.di.218515__unittest_failFiZv , 
_D16src/object_.d.9715__unittest_failFiZv , 
_D6object19MemberInfo_function6__ctorMFAyaC8TypeInfoPvkZC6object19MemberInfo_function 
, _D6object19MemberInfo_function5flagsMFNaNbNdZk , 
_D6object19MemberInfo_function2fpMFNaNbNdZPv , 
_D6object19MemberInfo_function4nameMFNaNbNdZAya , 
_D6object19MemberInfo_function6__initZ , 
_D6object16MemberInfo_field6__ctorMFAyaC8TypeInfomZC6object16MemberInfo_field 
, _D6object16MemberInfo_field4nameMFNaNbNdZAya , 
_D4core7runtime19defaultTraceHandlerFPvZC6object9Throwable9TraceInfo16DefaultTraceInfo8toStringMxFZAya16__foreachbody353MFNfKmKxAaZi 
, _D3std7complex15__unittest_failFiZv , 
_D16src/object_.d.9515__unittest_failFiZv , 
_D2gc3gcx15__unittest_failFiZv , _D2gc3gcx3Gcx8log_freeMFPvZv , 
_rt_finalize2 , _D17src/object_.d.81215__unittest_failFiZv , 
_D2rt8typeinfo8ti_float10TypeInfo_f8toStringMxFNaNbNeZAya , 
_D4core4time15__unittest_failFiZv , 
_D6object19MemberInfo_function8typeInfoMFNaNbNdZC8TypeInfo , 
_D6object15__unittest_failFiZv , 
_D6object16MemberInfo_field6__initZ , _D10TypeInfo_f6__initZ , 
_D3std8internal7uni_tab15__unittest_failFiZv , 
_D3std8internal3uni15__unittest_failFiZv , 
_D3std7numeric15__unittest_failFiZv , 
_D2rt9critical_15__unittest_failFiZv , 
_D2rt8monitor_15__unittest_failFiZv , 
_D6object16MemberInfo_field6__vtblZ , 
_D2gc2gc15__unittest_failFiZv , 
_D2rt4deh213__eh_finddataFPvZPyS2rt4deh29FuncTable16__foreachbody509MFKS2rt12sections_osx12SectionGroupZi 
, _D2rt4util9container15__unittest_failFiZv , 
_D4core6thread15__unittest_failFiZv , 
_D4core7runtime15__unittest_failFiZv , 
_D16src/object_.d.9315__unittest_failFiZv , 
_D18src/object_.d.121815__unittest_failFiZv , 
_D16src/object_.d.8315__unittest_failFiZv , 
_D2rt5minfo16rt_moduleTlsCtorUZv16__foreachbody544MFKS2rt12sections_osx12SectionGroupZi 
, 
_D2rt5minfo13rt_moduleDtorUZv16__foreachbody546MFKS2rt12sections_osx12SectionGroupZi 
, _D4core9exception15__unittest_failFiZv , 
_D3std9container15__unittest_failFiZv , 
_D6object19MemberInfo_function7__ClassZ , _D10TypeInfo_f6__vtblZ 
, _D3std5regex15__unittest_failFiZv , 
_D6object19MemberInfo_function6__vtblZ , 
_D6object16MemberInfo_field8typeInfoMFNaNbNdZC8TypeInfo , 
_D2rt6memory16initStaticDataGCFZv16__foreachbody518MFKS2rt12sections_osx12SectionGroupZi 
, 
_D2rt5minfo17moduleinfos_applyFMDFKPS6object10ModuleInfoZiZi16__foreachbody540MFKS2rt12sections_osx12SectionGroupZi 
, _D2rt4util7console15__unittest_failFiZv , 
_D16src/object_.d.8915__unittest_failFiZv , 
_D2rt8typeinfo8ti_float10TypeInfo_f4initMxFNaNbNeZAxv1ryf , 
_D3std5array15__unittest_failFiZv , 
_D3std9exception15__unittest_failFiZv , 
_D3std6traits15__unittest_failFiZv , 
_D16src/object_.d.5215__unittest_failFiZv , 
_D4core6thread14thread_joinAllUZv16__foreachbody370MFKC4core6thread6ThreadZi 
, _D3std6format15__unittest_failFiZv , 
_D6object16MemberInfo_field6offsetMFNaNbNdZm , 
_D3std5ascii15__unittest_failFiZv , 
_D2rt5minfo13rt_moduleCtorUZv16__foreachbody543MFKS2rt12sections_osx12SectionGroupZi 
, 
_D3std8internal7uni_tab48unicodeInCombining_Diacritical_Marks_for_SymbolsyS3std8internal3uni12CodepointSet 
, _D17src/object_.d.21615__unittest_failFiZv , 
_D2rt5tlsgc15__unittest_failFiZv , _gc_free , 
_D3std9typetuple15__unittest_failFiZv , 
_D3std9stdiobase15__unittest_failFiZv , 
_D3std8typecons15__unittest_failFiZv , 
_D3std6string15__unittest_failFiZv , 
_D3std4math15__unittest_failFiZv , 
_D3std10functional15__unittest_failFiZv , 
_D16src/object_.d.8615__unittest_failFiZv , 
_D18src/object_.d.122215__unittest_failFiZv , 
_D2rt4deh213__eh_finddataFPvPyS2rt4deh29FuncTablePyS2rt4deh29FuncTableZPyS2rt4deh29FuncTable 
, _D18src/object_.d.133515__unittest_failFiZv , 
_D20std/exception.d.142715__unittest_failFiZv , 
_D2rt6dmain211_d_run_mainUiPPaPUAAaZiZi7tryExecMFMDFZvZv14printInfoBlockMFC6object9ThrowableZv16__foreachbody514MFKxAaZi 
, _D2rt8lifetime15__unittest_failFiZv , 
_D3std8bitmanip15__unittest_failFiZv , 
_D2rt8typeinfo8ti_float10TypeInfo_f8_compareFNaNbNeffZi , 
_D3std3utf15__unittest_failFiZv , 
_D2rt12sections_osx12SectionGroup11__fieldDtorMFZv , 
_D6object16MemberInfo_field7__ClassZ , 
_D3std4conv15__unittest_failFiZv , 
_D3std9algorithm15__unittest_failFiZv , 
_D3std6random15__unittest_failFiZv , 
_D2rt8typeinfo8ti_float10TypeInfo_f6equalsMxFNaNbNexPvxPvZb , 
_D18src/object_.d.105315__unittest_failFiZv , 
_D3std5range15__unittest_failFiZv , 
_D2rt12sections_osx15__unittest_failFiZv , 
_D2rt8typeinfo8ti_float10TypeInfo_f4initMxFNaNbNeZAxv , 
_D2rt4deh215__unittest_failFiZv , 
_D4core7runtime18runModuleUnitTestsUZb16__foreachbody351MFKPS6object10ModuleInfoZi 
, 
_D6object14TypeInfo_Class4findFxAaZxC14TypeInfo_Class16__foreachbody314MFKPS6object10ModuleInfoZi 
, _D17src/object_.d.81015__unittest_failFiZv , 
_D2rt8typeinfo8ti_float10TypeInfo_f7compareMxFNaNbNexPvxPvZi , 
_D2rt4deh213__eh_finddataFPvZPyS2rt4deh29FuncTable , 
_D2rt12sections_osx12SectionGroup15__fieldPostBlitMFZv , 
_D3std5stdio15__unittest_failFiZv , 
_D18src/object_.d.121915__unittest_failFiZv , 
_D2rt5minfo16rt_moduleTlsDtorUZv16__foreachbody545MFKS2rt12sections_osx12SectionGroupZi 
, _D18src/object_.d.122115__unittest_failFiZv , 
_D6object9Throwable8toStringMFZAya16__foreachbody319MFNfKxAaZi , 
_D2rt6dmain215__unittest_failFiZv )
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to 
see invocation)
--- errorlevel 1