https://bugs.llvm.org/show_bug.cgi?id=48281
Bug ID: 48281
Summary: defaulted operator<=> triggers
-Wzero-as-null-pointer-constant
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++2a
Assignee: unassignedclangb...@nondot.org
Reporter: georg.sch...@emocean.io
CC: blitzrak...@gmail.com, erik.pilking...@gmail.com,
llvm-bugs@lists.llvm.org, richard-l...@metafoo.co.uk
Created attachment 24201
--> https://bugs.llvm.org/attachment.cgi?id=24201&action=edit
Compile using "clang++ -std=c++20"
Comparing two objects of a class or strut using <, >, <=, or >= results in the
warning "zero as null pointer constant" if the class has a defaulted
operator<=> (either friend or member).
To reproduce, compile the attached file with "clang++ -std=c++20"
Tested on Ubuntu 20.04 on WSL, using clang-11 package from
http://apt.llvm.org/focal/:
> clang++ -version
Ubuntu clang version
11.0.1-++20201121072613+973b95e0a84-1~exp1~20201121063226.132
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
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