re PR c++/55357 (-Wshadow warns about lambda function parameters matching variables in outer scope)
PR c++/55357 * semantics.c (maybe_add_lambda_conv_op): Clear DECL_NAME of copied parms to avoid duplicate -Wshadow warnings. From-SVN: r196739
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2013-03-16 Jason Merrill <jason@redhat.com>
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PR c++/55357
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* semantics.c (maybe_add_lambda_conv_op): Clear DECL_NAME of copied
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parms to avoid duplicate -Wshadow warnings.
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* search.c (lookup_base): Handle NULL_TREE.
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PR c++/56481
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@ -9678,7 +9678,11 @@ maybe_add_lambda_conv_op (tree type)
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DECL_STATIC_FUNCTION_P (fn) = 1;
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DECL_ARGUMENTS (fn) = copy_list (DECL_CHAIN (DECL_ARGUMENTS (callop)));
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for (arg = DECL_ARGUMENTS (fn); arg; arg = DECL_CHAIN (arg))
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{
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/* Avoid duplicate -Wshadow warnings. */
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DECL_NAME (arg) = NULL_TREE;
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DECL_CONTEXT (arg) = fn;
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}
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if (nested)
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DECL_INTERFACE_KNOWN (fn) = 1;
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// PR c++/55357
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// { dg-options "-std=c++11 -Wshadow" }
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int main() {
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int x = 1; // { dg-warning "shadowed" }
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auto const lambda = [](int x) { // { dg-warning "shadows" }
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return x;
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};
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}
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