67 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// RUN: not %clang -fsyntax-only -fmacro-backtrace-limit=0 %s 2>&1 | FileCheck %s
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#define FOO 1+"hi" 
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#define BAR FOO
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#define BAZ BAR
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#define QUZ BAZ
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#define TAZ QUZ
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#define ABA TAZ
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#define BAB ABA
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#define ZAZ BAB
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#define WAZ ZAZ
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#define DROOL WAZ
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#define FOOL DROOL
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FOOL;
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// CHECK: :15:1: error: expected identifier or '('
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// CHECK: FOOL
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// CHECK: ^
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// CHECK: :13:14: note: expanded from macro 'FOOL'
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// CHECK: #define FOOL DROOL
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// CHECK:              ^
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// CHECK: :12:15: note: expanded from macro 'DROOL'
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// CHECK: #define DROOL WAZ
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// CHECK:               ^
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// CHECK: :11:13: note: expanded from macro 'WAZ'
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// CHECK: #define WAZ ZAZ
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// CHECK:             ^
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// CHECK: :10:13: note: expanded from macro 'ZAZ'
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// CHECK: #define ZAZ BAB
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// CHECK:             ^
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// CHECK: :9:13: note: expanded from macro 'BAB'
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// CHECK: #define BAB ABA
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// CHECK:             ^
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// CHECK: :8:13: note: expanded from macro 'ABA'
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// CHECK: #define ABA TAZ
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// CHECK:             ^
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// CHECK: :7:13: note: expanded from macro 'TAZ'
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// CHECK: #define TAZ QUZ
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// CHECK:             ^
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// CHECK: :6:13: note: expanded from macro 'QUZ'
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// CHECK: #define QUZ BAZ
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// CHECK:             ^
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// CHECK: :5:13: note: expanded from macro 'BAZ'
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// CHECK: #define BAZ BAR
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// CHECK:             ^
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// CHECK: :4:13: note: expanded from macro 'BAR'
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// CHECK: #define BAR FOO
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// CHECK:             ^
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// CHECK: :3:13: note: expanded from macro 'FOO'
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// CHECK: #define FOO 1+"hi" 
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// CHECK:             ^
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#define ADD(a, b) a ## #b
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ADD(L, foo)
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// CHECK:    error: expected identifier or '('
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// CHECK:    ADD(L, foo)
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// CHECK: {{^\^}}
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// CHECK:    note: expanded from macro 'ADD'
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// CHECK:    #define ADD(a, b) a ## #b
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// CHECK: {{^                  \^}}
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// CHECK:    note: expanded from here
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// CHECK:    L"foo"
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// CHECK: {{^\^}}
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// CHECK: 2 errors generated.
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