http://llvm.org/bugs/show_bug.cgi?id=21426
Bug ID: 21426
Summary: -Wshadow warns on non captured lambda parameters
Product: clang
Version: 3.3
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: normal
Priority: P
Component: C++11
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Created attachment 13261
--> http://llvm.org/bugs/attachment.cgi?id=13261&action=edit
C++ code that shows the bug
Consider the attached code. In this case the parameter argv to main() can not
be considered inside the lambda as a resolution of the name argv, because the
lambda does not capture it. Yet clang++ complains:
------
$ clang++ test.cpp -std=c++11 -Wshadow
test.cpp:16:40: warning: declaration shadows a local variable [-Wshadow]
concat_params([](int i, const char** argv) -> std::string {
return argv[i]; }, argc, argv) <<
^
test.cpp:13:34: note: previous declaration is here
auto main(int argc, const char** argv) -> int
^
1 warning generated.
$
------
For details:
------
$ clang++ --version
FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610
Target: x86_64-unknown-freebsd10.0
Thread model: posix
$
------
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