aaron.ballman added a comment.
I am a bit confused by what this check is trying to accomplish. It seems like
this is intended to catch use of anything declared within the standard library,
but that includes library support things that are needed to write useful code.
For instance, it seems this means users cannot use initializer lists or type
traits. I'm not even certain users can overload `operator new()` because that
uses `std::size_t` as an argument.
Can you expound on the requirements in a bit more detail? Is it truly "no
standard library functionality at all, including things required to be
supported in freestanding implementations"?
================
Comment at: clang-tools-extra/clang-tidy/zircon/NoStdNamespaceCheck.cpp:57-60
+ Finder->addMatcher(callExpr(callee(functionDecl(hasDeclContext(
+ namespaceDecl(isStdNamespace())))))
+ .bind("stdCall"),
+ this);
----------------
Is the intention here to diagnose code like this?
```
#include <cstdlib>
int main() {
abort(); // Diagnose this?
}
```
https://reviews.llvm.org/D53882
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