PR c++/45983

	* tree.c (cp_build_qualified_type_real): Don't reuse a variant
	with a different typedef variant of the element type.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165521 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 20 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/lto/pr45983_0.C b/gcc/testsuite/g++.dg/lto/pr45983_0.C
new file mode 100644
index 00000000000..a2c9ba6092d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lto/pr45983_0.C
@@ -0,0 +1,20 @@
+// PR c++/45983
+
+template <int N>
+class T1 {
+    int m[N];
+    typedef float scalar_type_t;
+    typedef scalar_type_t scalar_array_t[1];
+    const scalar_array_t &decay(void) const;
+};
+class T2 {
+public:
+    float vals[1];
+    float get_value(void) const { return vals[0]; }
+};
+T2 channel_params;
+float output_audio(void) {
+    return channel_params.get_value();
+}
+
+int main(){}