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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.c-torture/execute/loop-12.c
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Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/loop-12.c')
-rw-r--r--gcc/testsuite/gcc.c-torture/execute/loop-12.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/loop-12.c b/gcc/testsuite/gcc.c-torture/execute/loop-12.c
new file mode 100644
index 000000000..1e340990c
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/loop-12.c
@@ -0,0 +1,25 @@
+/* Checks that pure functions are not treated as const. */
+
+char *p;
+
+static int __attribute__ ((pure))
+is_end_of_statement (void)
+{
+ return *p == '\n' || *p == ';' || *p == '!';
+}
+
+void foo (void)
+{
+ /* The is_end_of_statement call was moved out of the loop at one stage,
+ resulting in an endless loop. */
+ while (!is_end_of_statement ())
+ p++;
+}
+
+int
+main (void)
+{
+ p = "abc\n";
+ foo ();
+ return 0;
+}