Question: Why do we use the option ' - Wall' when compiling C code with GCC ? To print warning messages about questionable constructions that might

Why do we use the option '-Wall' when compiling C code with GCC?
To print warning messages about questionable constructions that might not necessarily be an error.
To print error messages pointing out compilation issues.
To activate the wall of error messages.
No one should use -Wall' unless they know what they are doing.
Why do we use the option '-Wall' when compiling C code

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