Merge in trunk.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@205966 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 26 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.c-torture/execute/pr58726.c b/gcc/testsuite/gcc.c-torture/execute/pr58726.c
new file mode 100644
index 00000000000..9fa8b6953f1
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr58726.c
@@ -0,0 +1,26 @@
+/* PR rtl-optimization/58726 */
+
+int a, c;
+union { int f1; int f2 : 1; } b;
+
+short
+foo (short p)
+{
+  return p < 0 ? p : a;
+}
+
+int
+main ()
+{
+  if (sizeof (short) * __CHAR_BIT__ != 16
+      || sizeof (int) * __CHAR_BIT__ != 32)
+    return 0;
+  b.f1 = 56374;
+  unsigned short d;
+  int e = b.f2;
+  d = e == 0 ? b.f1 : 0;
+  c = foo (d);
+  if (c != (short) 56374)
+    __builtin_abort ();
+  return 0;
+}