From 0968df43cdd7cbb154c021cd32a7cac25a19aff7 Mon Sep 17 00:00:00 2001
From: Marek Polacek <polacek@redhat.com>
Date: Sun, 20 Sep 2020 15:25:55 -0400
Subject: [PATCH] c++: Add test for PR90199.

Fixed by r11-2998, which fixed this ICE too.

gcc/testsuite/ChangeLog:

	PR c++/90199
	* g++.dg/cpp1y/constexpr-90199.C: New test.
---
 gcc/testsuite/g++.dg/cpp1y/constexpr-90199.C | 28 ++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/cpp1y/constexpr-90199.C

diff --git a/gcc/testsuite/g++.dg/cpp1y/constexpr-90199.C b/gcc/testsuite/g++.dg/cpp1y/constexpr-90199.C
new file mode 100644
index 00000000000..0e3f2be08d3
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/constexpr-90199.C
@@ -0,0 +1,28 @@
+// PR c++/90199
+// { dg-do compile { target c++14 } }
+// { dg-additional-options "-frounding-math" }
+
+template <typename>
+class complex;
+
+template <typename D7> constexpr complex<D7>
+operator+ (complex<D7> hd, complex<D7> qc)
+{
+  hd += qc;
+  return hd;
+}
+
+template <>
+class complex<float> {
+public:
+  constexpr complex
+  operator+= (complex rm)
+  {
+    jp += rm.jp;
+    return *this;
+  }
+
+  _Complex float jp;
+};
+
+constexpr complex<float> fl{3.3}, ka{1.1}, r0 = fl + ka;
-- 
2.30.2