1*67e74705SXin Li // RUN: %clang_cc1 -triple i686-apple-darwin9 %s -fsyntax-only -verify 2*67e74705SXin Li 3*67e74705SXin Li // Check that #pragma pack and #pragma options share the same stack. 4*67e74705SXin Li 5*67e74705SXin Li #pragma pack(push, 1) 6*67e74705SXin Li struct s0 { 7*67e74705SXin Li char c; 8*67e74705SXin Li int x; 9*67e74705SXin Li }; 10*67e74705SXin Li extern int a[sizeof(struct s0) == 5 ? 1 : -1]; 11*67e74705SXin Li 12*67e74705SXin Li #pragma options align=natural 13*67e74705SXin Li struct s1 { 14*67e74705SXin Li char c; 15*67e74705SXin Li int x; 16*67e74705SXin Li }; 17*67e74705SXin Li extern int a[sizeof(struct s1) == 8 ? 1 : -1]; 18*67e74705SXin Li 19*67e74705SXin Li #pragma options align=reset 20*67e74705SXin Li #pragma options align=native 21*67e74705SXin Li struct s1_1 { 22*67e74705SXin Li char c; 23*67e74705SXin Li int x; 24*67e74705SXin Li }; 25*67e74705SXin Li extern int a[sizeof(struct s1_1) == 8 ? 1 : -1]; 26*67e74705SXin Li 27*67e74705SXin Li #pragma pack(pop) 28*67e74705SXin Li struct s2 { 29*67e74705SXin Li char c; 30*67e74705SXin Li int x; 31*67e74705SXin Li }; 32*67e74705SXin Li extern int a[sizeof(struct s2) == 5 ? 1 : -1]; 33*67e74705SXin Li #pragma pack(pop) 34*67e74705SXin Li 35*67e74705SXin Li struct s3 { 36*67e74705SXin Li char c; 37*67e74705SXin Li int x; 38*67e74705SXin Li }; 39*67e74705SXin Li extern int a[sizeof(struct s3) == 8 ? 1 : -1]; 40*67e74705SXin Li 41*67e74705SXin Li #pragma pack(push,2) 42*67e74705SXin Li #pragma options align=power 43*67e74705SXin Li struct s4 { 44*67e74705SXin Li char c; 45*67e74705SXin Li int x; 46*67e74705SXin Li }; 47*67e74705SXin Li #pragma pack(pop) 48*67e74705SXin Li #pragma options align=reset 49*67e74705SXin Li extern int a[sizeof(struct s4) == 8 ? 1 : -1]; 50*67e74705SXin Li 51*67e74705SXin Li /* expected-warning {{#pragma options align=reset failed: stack empty}} */ #pragma options align=reset 52*67e74705SXin Li /* expected-warning {{#pragma pack(pop, ...) failed: stack empty}} */ #pragma pack(pop) 53*67e74705SXin Li 54