https://bugs.llvm.org/show_bug.cgi?id=52325
Bug ID: 52325
Summary: -Wshadow-uncaptured-local diagnostic is enabled by
-Wshadow-all but not -Wshadow-uncaptured-local command
line option
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: cpeter...@mozilla.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org,
neeil...@live.com, richard-l...@metafoo.co.uk
Given the following test program:
```
void foo(int a) {
([&](int* a) {
*a = 1;
})(&a);
}
int main() {
return 0;
}
```
Compiling the test program with `clang++ -std=c++17 -Wshadow-all test.cpp`
reports the following warning:
```
a.cpp:2:13: warning: declaration shadows a local variable
[-Wshadow-uncaptured-local]
([&](int* a) {
^
a.cpp:1:14: note: previous declaration is here
void foo(int a) {
^
1 warning generated.
```
But compiling the test program with `clang++ -std=c++17
-Wshadow-uncaptured-local test.cpp` compiles successfully and reports no
warnings.
See similar bug 43667 about the -Wshadow-field-in-constructor command line
option enabling the -Wshadow-field-in-constructor diagnostic.
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