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e356f1a50c
This eliminates a class of false positives for -fsanitize=array-bounds on instrumented ObjC projects. Differential Revision: https://reviews.llvm.org/D22227 llvm-svn: 283249
60 lines
1.1 KiB
Objective-C
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
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@interface FlexibleArray1 {
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@public
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char chars[0];
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}
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@end
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@implementation FlexibleArray1
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@end
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// CHECK-LABEL: test_FlexibleArray1
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char test_FlexibleArray1(FlexibleArray1 *FA1) {
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// CHECK-NOT: !nosanitize
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return FA1->chars[1];
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// CHECK: }
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}
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@interface FlexibleArray2 {
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@public
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char chars[0];
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}
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@end
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@implementation FlexibleArray2 {
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@public
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char chars2[0];
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}
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@end
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// CHECK-LABEL: test_FlexibleArray2_1
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char test_FlexibleArray2_1(FlexibleArray2 *FA2) {
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// CHECK: !nosanitize
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return FA2->chars[1];
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// CHECK: }
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}
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// CHECK-LABEL: test_FlexibleArray2_2
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char test_FlexibleArray2_2(FlexibleArray2 *FA2) {
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// CHECK-NOT: !nosanitize
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return FA2->chars2[1];
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// CHECK: }
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}
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@interface FlexibleArray3 {
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@public
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char chars[0];
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}
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@end
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@implementation FlexibleArray3 {
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@public
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int i;
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}
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@end
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// CHECK-LABEL: test_FlexibleArray3
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char test_FlexibleArray3(FlexibleArray3 *FA3) {
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// CHECK: !nosanitize
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return FA3->chars[1];
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// CHECK: }
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}
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