1 files changed, 29 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/eprintf.c b/contrib/llvm-project/compiler-rt/lib/builtins/eprintf.c
new file mode 100644
index 000000000000..daf90b4993ec
--- /dev/null
+++ b/contrib/llvm-project/compiler-rt/lib/builtins/eprintf.c
@@ -0,0 +1,29 @@
+//===---------- eprintf.c - Implements __eprintf --------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "int_lib.h"
+#include <stdio.h>
+
+// __eprintf() was used in an old version of <assert.h>.
+// It can eventually go away, but it is needed when linking
+// .o files built with the old <assert.h>.
+//
+// It should never be exported from a dylib, so it is marked
+// visibility hidden.
+#ifndef DONT_DEFINE_EPRINTF
+#ifndef _WIN32
+__attribute__((visibility("hidden")))
+#endif
+COMPILER_RT_ABI void
+__eprintf(const char *format, const char *assertion_expression,
+          const char *line, const char *file) {
+  fprintf(stderr, format, assertion_expression, line, file);
+  fflush(stderr);
+  compilerrt_abort();
+}
+#endif