forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			21 lines
		
	
	
		
			1001 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			1001 B
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -fsyntax-only -fclang-abi-compat=6 -triple x86_64-linux-gnu -fdump-record-layouts %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V6
 | 
						|
// RUN: %clang_cc1 -fsyntax-only -fclang-abi-compat=7 -triple x86_64-linux-gnu -fdump-record-layouts %s | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-V7
 | 
						|
 | 
						|
// In Clang 6 and before, we determined that Nonempty was empty, so we
 | 
						|
// applied EBO to it.
 | 
						|
struct Nonempty { int : 4; };
 | 
						|
struct A : Nonempty { int n; };
 | 
						|
int k = sizeof(A);
 | 
						|
 | 
						|
// CHECK:*** Dumping AST Record Layout
 | 
						|
// CHECK:             0 | struct A
 | 
						|
// CHECK-V6-NEXT:     0 |   struct Nonempty (base) (empty)
 | 
						|
// CHECK-V7-NEXT:     0 |   struct Nonempty (base){{$}}
 | 
						|
// CHECK-NEXT:    0:0-3 |     int
 | 
						|
// CHECK-V6-NEXT:     0 |   int n
 | 
						|
// CHECK-V7-NEXT:     4 |   int n
 | 
						|
// CHECK-V6-NEXT:       | [sizeof=4, dsize=4, align=4,
 | 
						|
// CHECK-V6-NEXT:       |  nvsize=4, nvalign=4]
 | 
						|
// CHECK-V7-NEXT:       | [sizeof=8, dsize=8, align=4,
 | 
						|
// CHECK-V7-NEXT:       |  nvsize=8, nvalign=4]
 |