`A1-1-2`: does not understand -Wno-* flags
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描述
Affected rules
A1-1-2
Description
This rule looks for compilations with no warning flags. However, it will falsely detect -Wno-* flags as if they are warning flags.
Notably, gcc is often built with -Wformat enabled by default. This can be suppressed with -Wno-format, which would cause the false negative.
Note the same issue exists with -w which suppresses all -W* flags, which is failing linux/gcc tests, and I created https://github.com/github/codeql-coding-standards/pull/688 to fix. However, this issue is, philosophically, one step further yet than that PR in terms of altering current behavior.
Example
g++ -Wno-format test.cpp
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