https://bugs.llvm.org/show_bug.cgi?id=49238
Bug ID: 49238
Summary: reference to local binding fails in enclosing function
Product: clang
Version: 11.0
Hardware: PC
OS: FreeBSD
Status: NEW
Severity: enhancement
Priority: P
Component: C++17
Assignee: unassignedclangb...@nondot.org
Reporter: y...@tsoft.com
CC: blitzrak...@gmail.com, erik.pilking...@gmail.com,
llvm-bugs@lists.llvm.org, richard-l...@metafoo.co.uk
Created attachment 24549
--> https://bugs.llvm.org/attachment.cgi?id=24549&action=edit
testcase-clang.cpp
The attached testcase fails in clang++{9,10,11}:
> testcase-clang.cpp:11:16: error: reference to local binding 'a' declared in
> enclosing function 'f'
> return a+b;
> ^
> testcase-clang.cpp:9:11: note: 'a' declared here
> auto [a, b] = newTuple();
> ^
> testcase-clang.cpp:11:18: error: reference to local binding 'b' declared in
> enclosing function 'f'
> return a+b;
> ^
> testcase-clang.cpp:9:14: note: 'b' declared here
> auto [a, b] = newTuple();
> ^
> 2 errors generated.
It succeeds in gcc-10.
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