llvm-project/clang-tools-extra/test/clang-tidy/misc-misplaced-const-cxx17.cpp

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C++

// RUN: %check_clang_tidy -expect-clang-tidy-error %s misc-misplaced-const %t -- -- -std=c++17
// This test previously would cause a failed assertion because the structured
// binding declaration had no valid type associated with it. This ensures the
// expected clang diagnostic is generated instead.
// CHECK-MESSAGES: :[[@LINE+1]]:6: error: decomposition declaration '[x]' requires an initializer [clang-diagnostic-error]
auto [x];
struct S { int a; };
S f();
int main() {
auto [x] = f();
}