// RUN: %check_clang_tidy %s bugprone-dynamic-static-initializers %t -- -- -fno-threadsafe-statics int fact(int n) { return (n == 0) ? 1 : n * fact(n - 1); } int static_thing = fact(5); // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: static variable 'static_thing' may be dynamically initialized in this header file [bugprone-dynamic-static-initializers] int sample() { int x; return x; } int dynamic_thing = sample(); // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: static variable 'dynamic_thing' may be dynamically initialized in this header file [bugprone-dynamic-static-initializers] int not_so_bad = 12 + 4942; // no warning extern int bar(); int foo() { static int k = bar(); // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: static variable 'k' may be dynamically initialized in this header file [bugprone-dynamic-static-initializers] return k; } int bar2() { return 7; } int foo2() { // This may work fine when optimization is enabled because bar() can // be turned into a constant 7. But without optimization, it can // cause problems. Therefore, we must err on the side of conservatism. static int x = bar2(); // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: static variable 'x' may be dynamically initialized in this header file [bugprone-dynamic-static-initializers] return x; } int foo3() { static int p = 7 + 83; // no warning return p; }