1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr26865.c b/gcc/testsuite/gcc.dg/pr26865.c
new file mode 100644
index 000000000..d9f1fe0d3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr26865.c
@@ -0,0 +1,8 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -std=c99" } */
+
+void
+foo (void)
+{
+  char *e = alloca (100); /* { dg-warning "implicit declaration|initialization makes" } */
+}