2 files changed, 58 insertions, 0 deletions
diff --git a/test/SemaCXX/builtins-arm.cpp b/test/SemaCXX/builtins-arm.cpp
new file mode 100644
index 0000000000..8a0cf8102b
--- /dev/null
+++ b/test/SemaCXX/builtins-arm.cpp
@@ -0,0 +1,6 @@
+// RUN: %clang_cc1 -triple armv7 -fsyntax-only -verify %s
+
+// va_list on ARM AAPCS is struct { void* __ap }.
+int test1(const __builtin_va_list &ap) {
+  return __builtin_va_arg(ap, int); // expected-error {{binding of reference to type '__builtin_va_list' to a value of type 'const __builtin_va_list' drops qualifiers}}
+}
diff --git a/test/SemaCXX/builtins-va_arg.cpp b/test/SemaCXX/builtins-va_arg.cpp
new file mode 100644
index 0000000000..4f549c8db6
--- /dev/null
+++ b/test/SemaCXX/builtins-va_arg.cpp
@@ -0,0 +1,52 @@
+// RUN: %clang_cc1 %s -ffreestanding
+// RUN: %clang_cc1 %s -ffreestanding -triple i686-unknown-linux
+// RUN: %clang_cc1 %s -ffreestanding -triple x86_64-unknown-linux
+// RUN: %clang_cc1 %s -ffreestanding -triple mips-unknown-linux
+// RUN: %clang_cc1 %s -ffreestanding -triple mipsel-unknown-linux
+// RUN: %clang_cc1 %s -ffreestanding -triple armv7-unknown-linux-gnueabi
+// RUN: %clang_cc1 %s -ffreestanding -triple thumbv7-unknown-linux-gnueabi
+
+#include "stdarg.h"
+
+int int_accumulator = 0;
+double double_accumulator = 0;
+
+int test_vprintf(const char *fmt, va_list ap) {
+  char ch;
+  int result = 0;
+  while (*fmt != '\0') {
+    ch = *fmt++;
+    if (ch != '%') {
+      continue;
+    }
+
+    ch = *fmt++;
+    switch (ch) {
+    case 'd':
+      int_accumulator += va_arg(ap, int);
+      result++;
+      break;
+
+    case 'f':
+      double_accumulator += va_arg(ap, double);
+      result++;
+      break;
+
+    default:
+      break;
+    }
+
+    if (ch == '0') {
+      break;
+    }
+  }
+  return result;
+}
+
+int test_printf(const char *fmt, ...) {
+  va_list ap;
+  va_start(ap, fmt);
+  int result = test_vprintf(fmt, ap);
+  va_end(ap);
+  return result;
+}