Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/test/asan/TestCases/vla_loop_overfow.cc

@@ -0,0 +1,22 @@
+// RUN: %clangxx_asan -O0 -mllvm -asan-instrument-dynamic-allocas %s -o %t
+// RUN: not %run %t 2>&1 | FileCheck %s
+//
+// REQUIRES: stable-runtime
+
+#include <assert.h>
+#include <stdint.h>
+
+void foo(int index, int len) {
+  for (int i = 1; i < len; ++i) {
+    char array[len]; // NOLINT
+    assert(!(reinterpret_cast<uintptr_t>(array) & 31L));
+    array[index + i] = 0;
+// CHECK: ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
+// CHECK: WRITE of size 1 at [[ADDR]] thread T0
+  }
+}
+
+int main(int argc, char **argv) {
+  foo(9, 21);
+  return 0;
+}