Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/test/sanitizer_common/TestCases/Darwin/abort_on_error.cc

@@ -0,0 +1,19 @@
+// Check that sanitizers on OS X crash the process by default (i.e.
+// abort_on_error=1). See also Linux/abort_on_error.cc.
+
+// RUN: %clangxx %s -o %t
+
+// Intentionally don't inherit the default options.
+// RUN: env %tool_options='' not --crash %run %t 2>&1
+
+// When we use lit's default options, we shouldn't crash.
+// RUN: not %run %t 2>&1
+
+int global;
+
+int main() {
+  volatile int *a = new int[100];
+  delete[] a;
+  global = a[0];  // use-after-free: triggers ASan report.
+  return 0;
+}

external/llvm-project/compiler-rt/test/sanitizer_common/TestCases/Darwin/lit.local.cfg

@@ -0,0 +1,9 @@
+def getRoot(config):
+  if not config.parent:
+    return config
+  return getRoot(config.parent)
+
+root = getRoot(config)
+
+if root.host_os not in ['Darwin']:
+  config.unsupported = True

external/llvm-project/compiler-rt/test/sanitizer_common/TestCases/Darwin/print-stack-trace.cc

@@ -0,0 +1,19 @@
+// RUN: %clangxx -O0 %s -o %t && %env_tool_opts=stack_trace_format=DEFAULT %run %t 2>&1 | FileCheck %s
+// RUN: %env_tool_opts=stack_trace_format='"frame:%n lineno:%l"' %run %t 2>&1 | FileCheck %s --check-prefix=CUSTOM
+
+#include <sanitizer/common_interface_defs.h>
+
+static inline void FooBarBaz() {
+  __sanitizer_print_stack_trace();
+}
+
+int main() {
+  FooBarBaz();
+  return 0;
+}
+// CHECK: {{    #0 0x.* in __sanitizer_print_stack_trace}}
+// CHECK: {{    #1 0x.* in FooBarBaz(\(\))? .*}}print-stack-trace.cc:[[@LINE-8]]
+// CHECK: {{    #2 0x.* in main.*}}print-stack-trace.cc:[[@LINE-5]]
+
+// CUSTOM: frame:1 lineno:[[@LINE-11]]
+// CUSTOM: frame:2 lineno:[[@LINE-8]]