From 7dc8af5306c16fc844a5d8d703e64285469ab240 Mon Sep 17 00:00:00 2001
From: Pete Cooper <peter_cooper@apple.com>
Date: Tue, 10 Feb 2015 19:53:38 +0000
Subject: [PATCH] Check for backtraces in tests which are verifying pretty
 stack traces from a crashing clang.

PrettyStackTrace now requires the ENABLE_BACKTRACES option.  We need to check for that here or these tests fail llvm-lit.

Reviewed by chandlerc

llvm-svn: 228735
---
 clang/test/Analysis/crash-trace.c | 3 ++-
 clang/test/Parser/crash-report.c  | 3 ++-
 clang/test/lit.cfg                | 3 +++
 clang/test/lit.site.cfg.in        | 1 +
 4 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/clang/test/Analysis/crash-trace.c b/clang/test/Analysis/crash-trace.c
index 8b61b75172f4..5fca8d88c619 100644
--- a/clang/test/Analysis/crash-trace.c
+++ b/clang/test/Analysis/crash-trace.c
@@ -2,7 +2,8 @@
 // REQUIRES: crash-recovery
 
 // FIXME: CHECKs might be incompatible to win32.
-// REQUIRES: shell
+// Stack traces also require back traces.
+// REQUIRES: shell backtrace
 
 void clang_analyzer_crash(void);
 
diff --git a/clang/test/Parser/crash-report.c b/clang/test/Parser/crash-report.c
index 92bc9ba6db6f..840a2a593fa0 100644
--- a/clang/test/Parser/crash-report.c
+++ b/clang/test/Parser/crash-report.c
@@ -2,7 +2,8 @@
 // REQUIRES: crash-recovery
 
 // FIXME: CHECKs might be incompatible to win32.
-// REQUIRES: shell
+// Stack traces also require back traces.
+// REQUIRES: shell backtrace
 
 #prag\
 ma clang __debug crash
diff --git a/clang/test/lit.cfg b/clang/test/lit.cfg
index 4200a4ae0dc5..51e1e4fdbc7d 100644
--- a/clang/test/lit.cfg
+++ b/clang/test/lit.cfg
@@ -464,6 +464,9 @@ if config.llvm_use_sanitizer == "Undefined":
 else:
     config.available_features.add("not_ubsan")
 
+if config.enable_backtrace == "1":
+    config.available_features.add("backtrace")
+
 # Check if we should run long running tests.
 if lit_config.params.get("run_long_tests", None) == "true":
     config.available_features.add("long_tests")
diff --git a/clang/test/lit.site.cfg.in b/clang/test/lit.site.cfg.in
index 1f0b9600d67d..332bcec14874 100644
--- a/clang/test/lit.site.cfg.in
+++ b/clang/test/lit.site.cfg.in
@@ -18,6 +18,7 @@ config.clang_arcmt = @ENABLE_CLANG_ARCMT@
 config.clang_staticanalyzer = @ENABLE_CLANG_STATIC_ANALYZER@
 config.clang_examples = @ENABLE_CLANG_EXAMPLES@
 config.enable_shared = @ENABLE_SHARED@
+config.enable_backtrace = "@ENABLE_BACKTRACES@"
 config.host_arch = "@HOST_ARCH@"
 
 # Support substitution of the tools and libs dirs with user parameters. This is