[Clang][CodeGen] Add miscompilation reproducer

Author: dtcxzyw

clang/test/CodeGen/AArch64/ubsan-handler-pass-by-ref.c

@@ -0,0 +1,21 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
+// RUN: %clang_cc1 -triple armv7-linux-androideabi24 -emit-llvm -fsanitize=signed-integer-overflow -O3 %s -o - -fsanitize-recover=signed-integer-overflow -w | FileCheck %s --check-prefixes=RECOVER
+// REQUIRES: aarch64-registered-target
+
+#define LLONG_MIN  (-__LONG_LONG_MAX__-1LL)
+
+// RECOVER-LABEL: define dso_local noundef i32 @main(
+// RECOVER-SAME: ) local_unnamed_addr #[[ATTR0:[0-9]+]] {
+// RECOVER-NEXT:  [[ENTRY:.*:]]
+// RECOVER-NEXT:    [[TMP:%.*]] = alloca i64, align 8
+// RECOVER-NEXT:    [[TMP0:%.*]] = ptrtoint ptr [[TMP]] to i32, !nosanitize [[META3:![0-9]+]]
+// RECOVER-NEXT:    call void @__ubsan_handle_negate_overflow(ptr nonnull @[[GLOB1:[0-9]+]], i32 [[TMP0]]) #[[ATTR2:[0-9]+]], !nosanitize [[META3]]
+// RECOVER-NEXT:    ret i32 0
+//
+int main() {
+  __builtin_llabs(LLONG_MIN);
+  return 0;
+}
+//.
+// RECOVER: [[META3]] = !{}
+//.