crystal 0.23 bug compiling in release on ubuntu

[kostya]

Ubuntu 14.04.1 LTS
Crystal 0.23.1 [e2a1389] (2017-07-13) LLVM 3.8.1 (downloaded from releases page)

crystal eval 'p 1'
1

crystal eval 'p 1' --release
crystal: /var/cache/omnibus/src/llvm/llvm-3.8.1.src/lib/CodeGen/LexicalScopes.cpp:160: llvm::LexicalScope* llvm::LexicalScopes::getOrCreateRegularScope(const llvm::DILocalScope*): Assertion `cast<DISubprogram>(Scope)->describes(MF->getFunction())' failed.
/opt/crystal-0.23.1-3/bin/crystal: line 102:  5263 Aborted                 (core dumped) "$INSTALL_DIR/embedded/bin/crystal" "$@"

[straight-shoota]

Duplicate of #4719
Please look for existing issues before posting a new one