llvm-for-llvmta/tools/clang/test/CodeGenObjC/ubsan-array-bounds.m

60 lines
1.1 KiB
Objective-C

// RUN: %clang_cc1 -x objective-c -emit-llvm -triple x86_64-apple-macosx10.10.0 -Wno-objc-root-class -fsanitize=array-bounds %s -o - | FileCheck %s
@interface FlexibleArray1 {
@public
char chars[0];
}
@end
@implementation FlexibleArray1
@end
// CHECK-LABEL: test_FlexibleArray1
char test_FlexibleArray1(FlexibleArray1 *FA1) {
// CHECK-NOT: !nosanitize
return FA1->chars[1];
// CHECK: }
}
@interface FlexibleArray2 {
@public
char chars[0];
}
@end
@implementation FlexibleArray2 {
@public
char chars2[0];
}
@end
// CHECK-LABEL: test_FlexibleArray2_1
char test_FlexibleArray2_1(FlexibleArray2 *FA2) {
// CHECK: !nosanitize
return FA2->chars[1];
// CHECK: }
}
// CHECK-LABEL: test_FlexibleArray2_2
char test_FlexibleArray2_2(FlexibleArray2 *FA2) {
// CHECK-NOT: !nosanitize
return FA2->chars2[1];
// CHECK: }
}
@interface FlexibleArray3 {
@public
char chars[0];
}
@end
@implementation FlexibleArray3 {
@public
int i;
}
@end
// CHECK-LABEL: test_FlexibleArray3
char test_FlexibleArray3(FlexibleArray3 *FA3) {
// CHECK: !nosanitize
return FA3->chars[1];
// CHECK: }
}