47 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-darwin9 %s -fsyntax-only -verify -ffreestanding
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| // expected-no-diagnostics
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| // <rdar://problem/10494810> and PR9560
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| // Check #pragma pack handling with bitfields.
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| 
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| #include <stddef.h>
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| #pragma pack(2)
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| 
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| struct s0 {
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|      char        f1;
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|      unsigned    f2 : 32;
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|      char        f3;
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| };
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| extern int check[sizeof(struct s0) == 6 ? 1 : -1];
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| 
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| struct s1 {
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|      char        f1;
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|      unsigned       : 0;
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|      char        f3;
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| };
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| extern int check[sizeof(struct s1) == 5 ? 1 : -1];
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| 
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| struct s2 {
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|      char        f1;
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|      unsigned       : 0;
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|      unsigned    f3 : 8;
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|      char        f4;
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| };
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| extern int check[sizeof(struct s2) == 6 ? 1 : -1];
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| 
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| struct s3 {
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|      char        f1;
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|      unsigned       : 0;
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|      unsigned    f3 : 16;
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|      char        f4;
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| };
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| extern int check[sizeof(struct s3) == 8 ? 1 : -1];
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| extern int check[offsetof(struct s3, f4) == 6 ? 1 : -1];
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| 
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| struct s4 {
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|      char        f1;
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|      unsigned    f2 : 8;
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|      char        f3;
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| };
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| extern int check[sizeof(struct s4) == 4 ? 1 : -1];
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| extern int check[offsetof(struct s4, f3) == 2 ? 1 : -1];
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