1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr35899.c b/gcc/testsuite/gcc.dg/pr35899.c
new file mode 100644
index 0000000..113cbc8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr35899.c
@@ -0,0 +1,15 @@
+/* PR tree-optimization/35899 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+int
+foo (void)
+{
+  int a = bar ();	/* { dg-warning "previous implicit declaration" } */
+  return a;
+}
+
+void
+bar (void)		/* { dg-warning "conflicting types for" } */
+{
+}