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Summary:
This change rejects the shadowing of a capture by a parameter in lambdas in C++17.
```
int main() {
int a;
auto f = [a](int a) { return a; };
}
```
results in:
```
main.cpp:3:20: error: a lambda parameter cannot shadow an explicitly captured entity
auto f = [a](int a) { return a; };
^
main.cpp:3:13: note: variable a is explicitly captured here
auto f = [a](int a) { return a; };
^
```
Reviewers: rsmith
Reviewed By: rsmith
Subscribers: lebedev.ri, erik.pilkington, cfe-commits
Differential Revision: https://reviews.llvm.org/D53595
llvm-svn: 345308
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This commit ensures that clang avoids the redundant -Wshadow warning for
variables that already get a "redefinition of " error.
rdar://29067894
Differential Revision: https://reviews.llvm.org/D28350
llvm-svn: 291564
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aren't captured by lambdas with a default capture specifier
This commit is a follow-up to r286354. It avoids the -Wshadow warning for
variables which shadow variables that aren't captured by lambdas with a default
capture specifier. It provides an additional note that points to location of
the capture.
The old behaviour is preserved with -Wshadow-all or -Wshadow-uncaptured-local.
rdar://14984176
Differential Revision: https://reviews.llvm.org/D26448
llvm-svn: 286465
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by lambdas with an explicit capture list
This commit avoids the -Wshadow warning for variables which shadow variables
that aren't captured by lambdas with an explicit capture list. It provides an
additional note that points to location of the explicit capture.
The old behaviour is preserved with -Wshadow-all or -Wshadow-uncaptured-local.
rdar://17135966
Differential Revision: https://reviews.llvm.org/D26278
llvm-svn: 286354
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