1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/pr58006.C b/gcc/testsuite/g++.dg/opt/pr58006.C
new file mode 100644
index 00000000000..fd3b7bebd8a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr58006.C
@@ -0,0 +1,22 @@
+// PR tree-optimization/58006
+// { dg-do compile }
+// { dg-require-effective-target pthread }
+// { dg-options "-Ofast -ftree-parallelize-loops=2" }
+
+extern "C" float sqrtf (float);
+
+struct S
+{
+  float i, j;
+  float foo () const { return sqrtf (i * i + j * j); }
+  S () : i (1), j (1) {}
+};
+
+void
+bar (int a, int b)
+{
+  int i;
+  float f;
+  for (i = a; i < b; i++)
+    f = S ().foo ();
+}