1 static int a = 1; // OK 2 static int b[2] = {1, 1}; // OK 3 static void c(void) {} 4 5 struct A { 6 int a; 7 int b[2]; 8 }; 9 10 struct B { 11 int c; 12 struct A d; 13 }; 14 15 static struct B d= {1, {1, {1, 1}}}; // OK 16 static struct B e= {a, {1, {1, 1}}}; // KO 17 static struct B f= {1, {a, {1, 1}}}; // KO 18 static struct B g= {1, {1, {a, 1}}}; // KO 19 static struct B h= {1, {1, {1, a}}}; // KO 20 static struct B i= {.c = 1, .d = {.a = 1, .b = {1, 1}}}; // OK 21 static struct B j= {.c = a, .d = {.a = 1, .b = {1, 1}}}; // KO 22 static struct B k= {.c = 1, .d = {.a = a, .b = {1, 1}}}; // KO 23 static struct B l= {.c = 1, .d = {.a = 1, .b = {a, 1}}}; // KO 24 static struct B m= {.c = 1, .d = {.a = 1, .b = {1, a}}}; // KO 25 26 static int n[] = {a, 1}; // KO 27 static int o[] = {1, a}; // KO 28 static int p[] = {[0] = a, [1] = 1}; // KO 29 static int q[] = {[0] = 1, [1] = a}; // KO 30 31 static void r(void) { 32 int a = 0; 33 int b = a; // OK 34 } 35 36 static void s(void) { 37 int a = 1; 38 static int b = a; // KO 39 } 40 41 /* 42 * check-name: constexprness static storage object initializer 43 * check-command: sparse -Wconstexpr-not-const $file 44 * 45 * check-error-start 46 constexpr-init.c:16:21: warning: non-constant initializer for static object 47 constexpr-init.c:17:25: warning: non-constant initializer for static object 48 constexpr-init.c:18:29: warning: non-constant initializer for static object 49 constexpr-init.c:19:32: warning: non-constant initializer for static object 50 constexpr-init.c:21:26: warning: non-constant initializer for static object 51 constexpr-init.c:22:40: warning: non-constant initializer for static object 52 constexpr-init.c:23:49: warning: non-constant initializer for static object 53 constexpr-init.c:24:52: warning: non-constant initializer for static object 54 constexpr-init.c:26:19: warning: non-constant initializer for static object 55 constexpr-init.c:27:22: warning: non-constant initializer for static object 56 constexpr-init.c:28:25: warning: non-constant initializer for static object 57 constexpr-init.c:29:34: warning: non-constant initializer for static object 58 constexpr-init.c:38:24: warning: non-constant initializer for static object 59 * check-error-end 60 */ 61