[compiler-rt] [llvm] [ASan] Correctly handle vectorized pointer sub/cmp for `invalid-pointer-pair` (PR #213546)

via llvm-commits llvm-commits at lists.llvm.org
Sun Aug 2 06:39:00 PDT 2026


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- compiler-rt/test/asan/TestCases/invalid-pointer-pairs-vector-extract.cpp llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/compiler-rt/test/asan/TestCases/invalid-pointer-pairs-vector-extract.cpp b/compiler-rt/test/asan/TestCases/invalid-pointer-pairs-vector-extract.cpp
index 328f64000..f18b1e5a6 100644
--- a/compiler-rt/test/asan/TestCases/invalid-pointer-pairs-vector-extract.cpp
+++ b/compiler-rt/test/asan/TestCases/invalid-pointer-pairs-vector-extract.cpp
@@ -3,9 +3,9 @@
 // RUN: %env_asan_opts=detect_invalid_pointer_pairs=1:halt_on_error=0 %run %t
 
 int main() {
-  const char* begins[2] = {"abc", "def"};
-  const char* ends[2] = {"abcde", "defgh"};
-  long lengths[2] {0};
+  const char *begins[2] = {"abc", "def"};
+  const char *ends[2] = {"abcde", "defgh"};
+  long lengths[2]{0};
   // CHECK: ERROR: AddressSanitizer: invalid-pointer-pair
   // CHECK: #{{[0-9]+ .*}} in main {{.*}}invalid-pointer-pairs-vector-extract.cpp:[[@LINE+1]]
   lengths[0] = ends[0] - begins[0];

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https://github.com/llvm/llvm-project/pull/213546


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