[...]

#28229 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28230 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28231 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28232 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28233 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28234 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28235 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28236 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28237 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
---Type <return> to continue, or q <return> to quit---
#28238 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28239 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28240 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28241 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28242 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28243 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28244 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28245 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28246 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28247 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28248 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28249 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28250 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28251 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28252 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28253 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28254 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28255 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28256 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28257 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28258 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28259 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28260 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28261 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28262 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28263 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28264 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28265 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28266 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28267 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28268 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28269 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28270 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28271 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28272 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28273 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28274 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28275 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28276 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28277 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28278 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28279 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28280 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28281 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28282 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28283 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28284 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28285 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28286 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28287 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28288 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28289 0x00007f99767f1592 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28290 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28291 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28292 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28293 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28294 0x00007f99767f16d8 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28295 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28296 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
---Type <return> to continue, or q <return> to quit---
#28297 0x00007f99767ef9b3 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28298 0x00007f99767efbf9 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28299 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28300 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28301 0x00007f99767f16d8 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28302 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28303 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28304 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28305 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28306 0x00007f99767f16d8 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28307 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28308 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28309 0x00007f99767ef473 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28310 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28311 0x00007f99767f16d8 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28312 0x00007f99767ed66c in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28313 0x00007f99767ef6a0 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28314 0x00007f99767ef9b3 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28315 0x00007f99767ef9b3 in ?? () from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28316 0x00007f99767efc7f in CPlusPlus::LookupScope::lookupType(CPlusPlus::Name const*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28317 0x00007f99767f1f3c in CPlusPlus::LookupContext::lookupType(CPlusPlus::Name const*, CPlusPlus::Scope*, CPlusPlus::LookupScope*, QSet<CPlusPlus::Declaration const*>) const ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28318 0x00007f9976b1b09a in CppTools::CheckSymbols::checkNestedName(CPlusPlus::QualifiedNameAST*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/libCppTools.so
#28319 0x00007f9976b1b492 in CppTools::CheckSymbols::visit(CPlusPlus::QualifiedNameAST*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/libCppTools.so
#28320 0x00007f997676c9d8 in CPlusPlus::QualifiedNameAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28321 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28322 0x00007f997676bdc3 in CPlusPlus::NamedTypeSpecifierAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28323 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28324 0x00007f997676e0f1 in CPlusPlus::TypeIdAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28325 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28326 0x00007f9976b1b53c in CppTools::CheckSymbols::visit(CPlusPlus::QualifiedNameAST*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/libCppTools.so
#28327 0x00007f997676c9d8 in CPlusPlus::QualifiedNameAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28328 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28329 0x00007f997676bdc3 in CPlusPlus::NamedTypeSpecifierAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28330 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28331 0x00007f997676e0f1 in CPlusPlus::TypeIdAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28332 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28333 0x00007f997676ce21 in CPlusPlus::AliasDeclarationAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28334 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28335 0x00007f997676b619 in CPlusPlus::ClassSpecifierAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28336 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28337 0x00007f9976b1c33c in CppTools::CheckSymbols::visit(CPlusPlus::SimpleDeclarationAST*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/libCppTools.so
#28338 0x00007f997676abd8 in CPlusPlus::SimpleDeclarationAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28339 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
---Type <return> to continue, or q <return> to quit---
#28340 0x00007f997676de3c in CPlusPlus::TemplateDeclarationAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28341 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28342 0x00007f997676c791 in CPlusPlus::LinkageBodyAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28343 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28344 0x00007f997676cd2c in CPlusPlus::NamespaceAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28345 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28346 0x00007f997676c791 in CPlusPlus::LinkageBodyAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28347 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28348 0x00007f997676cd2c in CPlusPlus::NamespaceAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28349 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28350 0x00007f997676df31 in CPlusPlus::TranslationUnitAST::accept0(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28351 0x00007f9976766d0f in CPlusPlus::AST::accept(CPlusPlus::ASTVisitor*) ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/../libCPlusPlus.so.1
#28352 0x00007f9976b19f38 in CppTools::CheckSymbols::run() ()
   from /opt/qtcreator-3.5.0/lib/qtcreator/plugins/libCppTools.so
#28353 0x00007f998636e83e in ?? () from /opt/qtcreator-3.5.0/bin/../lib/qtcreator/libQt5Core.so.5
#28354 0x00007f99863717df in ?? () from /opt/qtcreator-3.5.0/bin/../lib/qtcreator/libQt5Core.so.5
#28355 0x00007f9985e52df3 in start_thread () from /lib64/libpthread.so.0
#28356 0x00007f99853651ad in clone () from /lib64/libc.so.6