Bug 425822

SUMMARY
1.7 version does not compile with LLVM/clang-11.x

STEPS TO REPRODUCE
1. set LLVM/clang-11.x as default compiler
2. try to compile clazy-1.7
3. observe error

OBSERVED RESULT
Full logs can be found here https://abf.openmandriva.org/build_lists/817596

[1/107] Building CXX object CMakeFiles/ClazyPlugin.dir/src/checks/manuallevel/tr-non-literal.cpp.o
FAILED: CMakeFiles/ClazyPlugin.dir/src/checks/manuallevel/tr-non-literal.cpp.o 
/usr/bin/clang++ -DCLAZY_DISABLE_AST_MATCHERS -DClazyPlugin_EXPORTS -DHAVE_CLANG_CONFIG_H -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_LIMIT_MACROS -I. -I../ -I../src -Os -fomit-frame-pointer -g1 -Wstrict-aliasing=2 -pipe -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -fstack-protector-all --param=ssp-buffer-size=4 -m64 -mtune=generic -std=c++11 -fno-common -Woverloaded-virtual -Wcast-qual -fno-strict-aliasing -pedantic -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings -fno-exceptions -fno-rtti -fPIC -Os -fomit-frame-pointer -g1 -Wstrict-aliasing=2 -pipe -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -fstack-protector-all --param=ssp-buffer-size=4 -m64 -mtune=generic -MD -MT CMakeFiles/ClazyPlugin.dir/src/checks/manuallevel/tr-non-literal.cpp.o -MF CMakeFiles/ClazyPlugin.dir/src/checks/manuallevel/tr-non-literal.cpp.o.d -o CMakeFiles/ClazyPlugin.dir/src/checks/manuallevel/tr-non-literal.cpp.o -c ../src/checks/manuallevel/tr-non-literal.cpp
In file included from ../src/checks/manuallevel/tr-non-literal.cpp:23:
In file included from ../src/checks/manuallevel/tr-non-literal.h:26:
In file included from ../src/checkbase.h:28:
In file included from ../src/clazy_stl.h:26:
In file included from /usr/include/clang/AST/Stmt.h:16:
In file included from /usr/include/clang/AST/DeclGroup.h:16:
In file included from /usr/include/llvm/Support/TrailingObjects.h:50:
In file included from /usr/include/llvm/Support/Alignment.h:24:
In file included from /usr/include/llvm/ADT/Optional.h:20:
/usr/include/llvm/Support/type_traits.h:31:28: error: no template named 'remove_reference_t' in namespace 'std'; did you mean 'remove_reference'?
  using UnderlyingT = std::remove_reference_t<T>;
                      ~~~~~^
/usr/bin/../lib64/gcc/x86_64-openmandriva-linux-gnu/10.2.0/../../../../include/c++/10.2.0/type_traits:1593:12: note: 'remove_reference' declared here
    struct remove_reference
           ^

EXPECTED RESULT
No errors

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: OpenMandriva Lx Cooker
(available in About System)
KDE Plasma Version: 5.19.4
KDE Frameworks Version: 5.73
Qt Version: 5.15.0

ADDITIONAL INFORMATION