[compiler-rt] [compiler-rt][ASan] Remove alignment checks in ASan error reporting (PR #94103)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Tacet (AdvenamTacet)

<details>
<summary>Changes</summary>

Removed unnecessary alignment checks in ASan error reporting functions, as alignment is no longer required starting from LLVM 16.

Related commits:
- https://github.com/llvm/llvm-project/commit/dd1b7b797a116eed588fd752fbe61d34deeb24e4
- https://github.com/llvm/llvm-project/commit/1c5ad6d2c01294a0decde43a88e9c27d7437d157

---
Full diff: https://github.com/llvm/llvm-project/pull/94103.diff


1 Files Affected:

- (modified) compiler-rt/lib/asan/asan_errors.cpp (-4) 


``````````diff
diff --git a/compiler-rt/lib/asan/asan_errors.cpp b/compiler-rt/lib/asan/asan_errors.cpp
index 3f2d13e314640..26eabf2400b77 100644
--- a/compiler-rt/lib/asan/asan_errors.cpp
+++ b/compiler-rt/lib/asan/asan_errors.cpp
@@ -328,8 +328,6 @@ void ErrorBadParamsToAnnotateContiguousContainer::Print() {
       "      new_mid : %p\n",
       (void *)beg, (void *)end, (void *)old_mid, (void *)new_mid);
   uptr granularity = ASAN_SHADOW_GRANULARITY;
-  if (!IsAligned(beg, granularity))
-    Report("ERROR: beg is not aligned by %zu\n", granularity);
   stack->Print();
   ReportErrorSummary(scariness.GetDescription(), stack);
 }
@@ -348,8 +346,6 @@ void ErrorBadParamsToAnnotateDoubleEndedContiguousContainer::Print() {
       (void *)old_container_end, (void *)new_container_beg,
       (void *)new_container_end);
   uptr granularity = ASAN_SHADOW_GRANULARITY;
-  if (!IsAligned(storage_beg, granularity))
-    Report("ERROR: storage_beg is not aligned by %zu\n", granularity);
   stack->Print();
   ReportErrorSummary(scariness.GetDescription(), stack);
 }

``````````

</details>


https://github.com/llvm/llvm-project/pull/94103