https://bugs.llvm.org/show_bug.cgi?id=38878
Bug ID: 38878
Summary: Enhance "returning address of local var" checker
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: david.bolvan...@gmail.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
struct S&& po() {
struct S tmp;
return std::move(tmp);
}
No warning from Clang.
GCC warns:
<source>: In function 'S&& po()':
<source>:14:23: warning: function returns address of local variable
[-Wreturn-local-addr]
14 | return std::move(tmp);
| ^
<source>:13:14: note: declared here
13 | struct S tmp;
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