summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/torture/pr42363.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/gcc.dg/torture/pr42363.c')
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr42363.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr42363.c b/gcc/testsuite/gcc.dg/torture/pr42363.c
new file mode 100644
index 000000000..9c9da1373
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr42363.c
@@ -0,0 +1,84 @@
+/* PR middle-end/pr42363, extended from the test for PR middle-end/37913. */
+/* { dg-do compile } */
+/* { dg-options "-g" } */
+
+void foo (void) __attribute__ ((noreturn));
+
+static int __attribute__ ((noreturn))
+bar (void)
+{
+ foo ();
+}
+
+int
+baz (void)
+{
+ int i = bar ();
+ return i + 1;
+}
+
+int fooz (void) __attribute__ ((noreturn));
+
+static int __attribute__ ((noreturn))
+bart (void)
+{
+ return fooz (); /* { dg-warning "noreturn" } */
+}
+
+int bazr (void)
+{
+ int i = bart ();
+ return i + 1;
+}
+
+static inline int
+bard (void)
+{
+ return fooz ();
+}
+
+int bizr (void)
+{
+ int i, j;
+
+ i = j = bard ();
+
+ return i + 1;
+}
+
+/* This might be regarded as pure and folded, rather than inlined.
+ It's pure evil. */
+static int __attribute__ ((pure, const, noreturn))
+barf (void)
+{
+} /* { dg-warning "does return" } */
+
+static int __attribute__ ((pure, const))
+bark (void)
+{
+ barf ();
+}
+
+int buzr (void)
+{
+ int i, j;
+
+ i = j = bark () + bark ();
+
+ return i + 1;
+}
+
+int buzt (void)
+{
+ int i, j;
+
+ i = j = barf () + barf ();
+
+ return i + 1;
+}
+
+void bust (void)
+{
+ while (barf ())
+ ;
+}