string_literal_const_test_result

$g++ -v
Using built-in specs.
COLLECT_GCC=C:\msys64\mingw64\bin\g++.exe
COLLECT_LTO_WRAPPER=C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.2.0/lto-wrapper.exe
Target: x86_64-w64-mingw32
Configured with: ../gcc-7.2.0/configure --prefix=/mingw64 --with-local-prefix=/mingw64/local --build=x86_64-w64-mingw32 --host=x86_64-w64-mingw32 --target=x86_64-w64-mingw32 --with-native-system-header-dir=/mingw64/x86_64-w64-mingw32/include --libexecdir=/mingw64/lib --enable-bootstrap --with-arch=x86-64 --with-tune=generic --enable-languages=c,lto,c++,objc,obj-c++,fortran,ada --enable-shared --enable-static --enable-libatomic --enable-threads=posix --enable-graphite --enable-fully-dynamic-string --enable-libstdcxx-time=yes --disable-libstdcxx-pch --disable-libstdcxx-debug --disable-isl-version-check --enable-lto --enable-libgomp --disable-multilib --enable-checking=release --disable-rpath --disable-win32-registry --disable-nls --disable-werror --disable-symvers --with-libiconv --with-system-zlib --with-gmp=/mingw64 --with-mpfr=/mingw64 --with-mpc=/mingw64 --with-isl=/mingw64 --with-pkgversion='Rev1, Built by MSYS2 project' --with-bugurl=https://sourceforge.net/projects/msys2 --with-gnu-as --with-gnu-ld
Thread model: posix
gcc version 7.2.0 (Rev1, Built by MSYS2 project)

$g++ -std=c++11 string_literal_const_test.cpp
string_literal_const_test.cpp:1:18: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
 char *TestText = "Test" ;
                  ^~~~~~
string_literal_const_test.cpp: In function 'int main()':
string_literal_const_test.cpp:10:27: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
     GetStringData( "Data" ) ;
                           ^
$clang++ --version
clang version 4.0.0 (tags/RELEASE_400/final)
Target: x86_64-w64-windows-gnu
Thread model: posix
InstalledDir: C:\msys64\mingw64\bin

$clang++ -std=c++11 string_literal_const_test.cpp
string_literal_const_test.cpp:1:18: warning: ISO C++11 does not allow conversion from string literal to 'char *' [-Wwritable-strings]
char *TestText = "Test" ;
                 ^
string_literal_const_test.cpp:10:20: warning: ISO C++11 does not allow conversion from string literal to 'char *' [-Wwritable-strings]
    GetStringData( "Data" ) ;
                   ^
2 warnings generated.