https://bugs.llvm.org/show_bug.cgi?id=41556
Bug ID: 41556
Summary: Bogus warning: all paths through this function will
call itself
Product: clang
Version: 6.0
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: y...@tsoft.com
CC: blitzrak...@gmail.com, dgre...@apple.com,
erik.pilking...@gmail.com, llvm-bugs@lists.llvm.org,
richard-l...@metafoo.co.uk
Created attachment 21807
--> https://bugs.llvm.org/attachment.cgi?id=21807&action=edit
infinite-recursion-testcase.cpp
It prints this bogus warning:
> $ c++ -Wall -o infinite-recursion-testcase infinite-recursion-testcase.cpp
> infinite-recursion-testcase.cpp:9:87: warning: all paths through this
> function will call itself [-Winfinite-recursion]
> friend std::ostream& operator<<(std::ostream &os, const AtomSignature
> &signature) {
>
> ^
> 1 warning generated.
The warning is bogus because it calls itself with a different object. There is
no problem with infinite recursion there.
As long as there is variability in any of the arguments - there is no problem
with infinite recursion.
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