1 files changed, 36 insertions, 0 deletions
diff --git a/compiler-rt/test/asan/TestCases/Linux/local_alias.cc b/compiler-rt/test/asan/TestCases/Linux/local_alias.cc
new file mode 100644
index 00000000000..328e110db9a
--- /dev/null
+++ b/compiler-rt/test/asan/TestCases/Linux/local_alias.cc
@@ -0,0 +1,36 @@
+// Test that mixing instrumented and non-instrumented code doesn't lead to crash.
+// Build two modules (one is instrumented, another is not) that have globals
+// with same names. Check, that ASan doesn't crash with CHECK failure or
+// false positive global-buffer-overflow due to sanitized library poisons
+// globals from non-sanitized one.
+//
+// RUN: %clangxx_asan -DBUILD_INSTRUMENTED_DSO=1 -fPIC -shared -mllvm -asan-use-private-alias %s -o %t-INSTRUMENTED-SO.so
+// RUN: %clangxx -DBUILD_UNINSTRUMENTED_DSO=1 -fPIC -shared %s -o %t-UNINSTRUMENTED-SO.so
+// RUN: %clangxx %s -c -mllvm -asan-use-private-alias -o %t.o
+// RUN: %clangxx_asan %t.o %t-UNINSTRUMENTED-SO.so %t-INSTRUMENTED-SO.so -o %t-EXE
+// RUN: %env_asan_opts=use_odr_indicator=true %run %t-EXE
+
+#if defined (BUILD_INSTRUMENTED_DSO)
+long h = 15;
+long f = 4;
+long foo(long *p) {
+  return *p;
+}
+#elif defined (BUILD_UNINSTRUMENTED_DSO)
+long foo(long *);
+long h = 12;
+long i = 13;
+long f = 5;
+
+int bar() {
+  if (foo(&f) != 5 || foo(&h) != 12 || foo(&i) != 13)
+    return 1;
+  return 0;
+}
+#else
+extern int bar();
+
+int main() {
+  return bar();
+}
+#endif