Remove workaround for rbhz#2048440

It looks like this test passes now.

0002-Disable-CrashRecoveryTest.DumpStackCleanup-test-on-a.patch

@@ -1,34 +0,0 @@
-From 6dd25eb3ca3d8a6847fab029946d15f223b1a551 Mon Sep 17 00:00:00 2001
-From: Nikita Popov <npopov@redhat.com>
-Date: Mon, 31 Jan 2022 10:33:27 +0100
-Subject: [PATCH] Disable CrashRecoveryTest.DumpStackCleanup test on aarch64
-
-Produces a non-reproducible failure on aarch64:
-https://bugzilla.redhat.com/show_bug.cgi?id=2048440
----
- llvm/unittests/Support/CrashRecoveryTest.cpp | 2 ++
- 1 file changed, 2 insertions(+)
-
-diff --git a/llvm/unittests/Support/CrashRecoveryTest.cpp b/llvm/unittests/Support/CrashRecoveryTest.cpp
-index d942c9d..28efedd 100644
---- a/llvm/unittests/Support/CrashRecoveryTest.cpp
-+++ b/llvm/unittests/Support/CrashRecoveryTest.cpp
-@@ -76,6 +76,7 @@ TEST(CrashRecoveryTest, Cleanup) {
-   llvm::CrashRecoveryContext::Disable();
- }
- 
-+#ifndef __aarch64__
- TEST(CrashRecoveryTest, DumpStackCleanup) {
-   SmallString<128> Filename;
-   std::error_code EC = sys::fs::createTemporaryFile("crash", "test", Filename);
-@@ -101,6 +102,7 @@ TEST(CrashRecoveryTest, DumpStackCleanup) {
-   EXPECT_EQ(GlobalInt, 1);
-   llvm::CrashRecoveryContext::Disable();
- }
-+#endif
- 
- TEST(CrashRecoveryTest, LimitedStackTrace) {
-   // FIXME: Handle "Depth" parameter in PrintStackTrace() function
--- 
-1.8.3.1
-

llvm.spec

@@ -70,7 +70,7 @@
 
 Name:		%{pkg_name}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:~rc%{rc_ver}}
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -86,7 +86,6 @@ Source5:	run-lit-tests
 Source6:	lit.fedora.cfg.py
 %endif
 
-Patch1:		0002-Disable-CrashRecoveryTest.DumpStackCleanup-test-on-a.patch
 Patch2:		0003-XFAIL-missing-abstract-variable.ll-test-on-ppc64le.patch
 
 # Needed to export clang-tblgen during the clang build, needed by the flang docs build.
@@ -550,6 +549,9 @@ fi
 %endif
 
 %changelog
+* Mon Dec 19 2022 Nikita Popov <npopov@redhat.com> - 15.0.6-2
+- Remove workaround for rbhz#2048440
+
 * Mon Dec 05 2022 Nikita Popov <npopov@redhat.com> - 15.0.6-1
 - Update to LLVM 15.0.6