Language
C++
Compiler
gcc HEAD 9.0.0 20180818 (experimental)
Options
Warnings
Boost 1.68.0
C++2a(GNU)
no pedantic
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.68.0/gcc-head/include -std=gnu++2a
Exit Code:
1
Author
anonymous
over 6 years ago
C++
gcc HEAD 9.0.0 20180818 (experimental)
Author
anonymous
over 6 years ago
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.68.0/gcc-head/include -std=gnu++2a
prog.cc: In function 'int main()':
prog.cc:9:62: error: array size in new-expression must be constant
9 | char (*str2)[some_const2] = new char[some_var2][some_const2];
| ^
prog.cc:9:62: error: the value of 'some_const2' is not usable in a constant expression
prog.cc:6:13: note: 'some_const2' was not initialized with a constant expression
6 | const int some_const2 = some_var2;
| ^~~~~~~~~~~
prog.cc:8:10: warning: unused variable 'str1' [-Wunused-variable]
8 | char (*str1)[some_const1] = new char[some_var1][some_const1];
| ^~~~
prog.cc:9:10: warning: unused variable 'str2' [-Wunused-variable]
9 | char (*str2)[some_const2] = new char[some_var2][some_const2];
| ^~~~