From 3626d9f69f2c1a09e88a6602536d992403217621 Mon Sep 17 00:00:00 2001
From: "Christoph M. Wintersteiger" <cwinter@microsoft.com>
Date: Mon, 7 Dec 2015 19:24:09 +0000
Subject: [PATCH] Bugfix for floating-point API.

Fixes #358.
---
 src/api/api_fpa.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/api/api_fpa.cpp b/src/api/api_fpa.cpp
index 290f27ac5..d31d15a1b 100644
--- a/src/api/api_fpa.cpp
+++ b/src/api/api_fpa.cpp
@@ -441,8 +441,9 @@ extern "C" {
         LOG_Z3_mk_fpa_max(c, t1, t2);
         RESET_ERROR_CODE();
         api::context * ctx = mk_c(c);
-        Z3_ast r = of_ast(ctx->fpautil().mk_max(to_expr(t1), to_expr(t2)));
-        RETURN_Z3(r);
+        expr * a = ctx->fpautil().mk_max(to_expr(t1), to_expr(t2));
+        ctx->save_ast_trail(a);
+        RETURN_Z3(of_expr(a));
         Z3_CATCH_RETURN(0);
     }