[libunwind] [Libunwind] Don't XFAIL tests with msan (PR #120013)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libunwind

Author: Dmitry Chestnykh (chestnykh)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/120013.diff


7 Files Affected:

- (modified) libunwind/test/forceunwind.pass.cpp (-3) 
- (modified) libunwind/test/libunwind_01.pass.cpp (-3) 
- (modified) libunwind/test/libunwind_02.pass.cpp (-3) 
- (modified) libunwind/test/signal_frame.pass.cpp (-3) 
- (modified) libunwind/test/signal_unwind.pass.cpp (-3) 
- (modified) libunwind/test/unw_resume.pass.cpp (-3) 
- (modified) libunwind/test/unwind_leaffunction.pass.cpp (-3) 


``````````diff
diff --git a/libunwind/test/forceunwind.pass.cpp b/libunwind/test/forceunwind.pass.cpp
index 344034e1ea5f5e..e8333eb74a979a 100644
--- a/libunwind/test/forceunwind.pass.cpp
+++ b/libunwind/test/forceunwind.pass.cpp
@@ -9,9 +9,6 @@
 
 // REQUIRES: linux
 
-// TODO: Figure out why this fails with Memory Sanitizer.
-// XFAIL: msan
-
 // Basic test for _Unwind_ForcedUnwind.
 // See libcxxabi/test/forced_unwind* tests too.
 
diff --git a/libunwind/test/libunwind_01.pass.cpp b/libunwind/test/libunwind_01.pass.cpp
index 838df6b5897204..82fb66d665c259 100644
--- a/libunwind/test/libunwind_01.pass.cpp
+++ b/libunwind/test/libunwind_01.pass.cpp
@@ -10,9 +10,6 @@
 // TODO: Investigate this failure on x86_64 macOS back deployment
 // XFAIL: stdlib=system && target=x86_64-apple-macosx{{10.9|10.10|10.11|10.12|10.13|10.14|10.15|11.0|12.0}}
 
-// TODO: Figure out why this fails with Memory Sanitizer.
-// XFAIL: msan
-
 #include <libunwind.h>
 #include <stdlib.h>
 #include <stdio.h>
diff --git a/libunwind/test/libunwind_02.pass.cpp b/libunwind/test/libunwind_02.pass.cpp
index 9fd8e5d7159c96..5f2d2b43bddc1c 100644
--- a/libunwind/test/libunwind_02.pass.cpp
+++ b/libunwind/test/libunwind_02.pass.cpp
@@ -7,9 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-// TODO: Figure out why this fails with Memory Sanitizer.
-// XFAIL: msan
-
 // This test fails on older llvm, when built with picolibc.
 // XFAIL: clang-16 && LIBCXX-PICOLIBC-FIXME
 
diff --git a/libunwind/test/signal_frame.pass.cpp b/libunwind/test/signal_frame.pass.cpp
index 004029cfe1e90b..67b862c98fbfc7 100644
--- a/libunwind/test/signal_frame.pass.cpp
+++ b/libunwind/test/signal_frame.pass.cpp
@@ -12,9 +12,6 @@
 // TODO: Investigate this failure on Apple
 // XFAIL: target={{.+}}-apple-{{.+}}
 
-// TODO: Figure out why this fails with Memory Sanitizer.
-// XFAIL: msan
-
 // UNSUPPORTED: libunwind-arm-ehabi
 
 // The AIX assembler does not support CFI directives, which
diff --git a/libunwind/test/signal_unwind.pass.cpp b/libunwind/test/signal_unwind.pass.cpp
index 1c1566415a4d4b..8ba0c8b2859ac4 100644
--- a/libunwind/test/signal_unwind.pass.cpp
+++ b/libunwind/test/signal_unwind.pass.cpp
@@ -10,9 +10,6 @@
 // Ensure that the unwinder can cope with the signal handler.
 // REQUIRES: target={{(aarch64|riscv64|s390x|x86_64)-.+linux.*}}
 
-// TODO: Figure out why this fails with Memory Sanitizer.
-// XFAIL: msan
-
 // Note: this test fails on musl because:
 //
 //  (a) musl disables emission of unwind information for its build, and
diff --git a/libunwind/test/unw_resume.pass.cpp b/libunwind/test/unw_resume.pass.cpp
index 2b7470b5cad0eb..ca6068a828e0ac 100644
--- a/libunwind/test/unw_resume.pass.cpp
+++ b/libunwind/test/unw_resume.pass.cpp
@@ -10,9 +10,6 @@
 // Ensure that unw_resume() resumes execution at the stack frame identified by
 // cursor.
 
-// TODO: Figure out why this fails with Memory Sanitizer.
-// XFAIL: msan
-
 #include <libunwind.h>
 
 __attribute__((noinline)) void test_unw_resume() {
diff --git a/libunwind/test/unwind_leaffunction.pass.cpp b/libunwind/test/unwind_leaffunction.pass.cpp
index 98de7dc43260c2..4259406cc493d1 100644
--- a/libunwind/test/unwind_leaffunction.pass.cpp
+++ b/libunwind/test/unwind_leaffunction.pass.cpp
@@ -10,9 +10,6 @@
 // Ensure that leaf function can be unwund.
 // REQUIRES: target={{(aarch64|riscv64|s390x|x86_64)-.+linux.*}}
 
-// TODO: Figure out why this fails with Memory Sanitizer.
-// XFAIL: msan
-
 // Note: this test fails on musl because:
 //
 //  (a) musl disables emission of unwind information for its build, and

``````````

</details>


https://github.com/llvm/llvm-project/pull/120013