File: undef-call.c

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// RUN: rm -rf %T/ctudir
// RUN: mkdir %T/ctudir
// RUN: %clang_cc1 -fsyntax-only -analyze -analyzer-checker=debug.ExprInspection -analyzer-config experimental-enable-naive-ctu-analysis=true -analyzer-config ctu-dir=%T/ctudir -verify %s
// expected-no-diagnostics

struct S {
  void (*fp)();
};

int main() {
  struct S s;
  // This will cause the analyzer to look for a function definition that has
  // no FunctionDecl. It used to cause a crash in AnyFunctionCall::getRuntimeDefinition.
  // It would only occur when CTU analysis is enabled.
  s.fp();
}