llvm-project/clang/test/Index/index-many-call-ops.cpp

// RUN: c-index-test -index-file %s | FileCheck %s

// rdar://11289247
// Check that we don't get stack overflow trying to index a huge number of
// call operators.

struct S {
  S &operator()();
};

// CHECK: [indexDeclaration]: kind: function | name: foo
void foo() {
  S s;
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    ;
}

// CHECK: [indexDeclaration]: kind: function | name: bar
void bar();