https://bugs.llvm.org/show_bug.cgi?id=44003
Bug ID: 44003
Summary: False positive -Wreturn-stack-address warning with
optional
Product: clang
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected],
[email protected]
The following code, with clang trunk and -std=c++17, produces a warning that I
believe to be a false positive.
---- code ----
#include <optional>
#include <string_view>
std::string_view foo()
{
std::optional<std::string_view> sv("abc");
return *sv; // unwanted [-Wreturn-stack-address] warning
}
---- code ----
See https://godbolt.org/z/vTs3Kk
This is a regression since clang 9.0
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