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Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/avr/pr60991.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/avr/pr60991.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/avr/pr60991.c b/gcc-4.9/gcc/testsuite/gcc.target/avr/pr60991.c
new file mode 100644
index 000000000..a09f42a62
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/avr/pr60991.c
@@ -0,0 +1,21 @@
+/* { dg-do run } */
+/* { dg-options "-O1" } */
+
+/* This testcase (simplified from the original bug report) exposes
+ PR60991. The code generated for writing the __int24 value corrupts
+ the frame pointer if the offset is <= 63 + MAX_LD_OFFSET */
+
+#include <stdlib.h>
+
+int main(void)
+{
+ volatile char junk[62];
+ junk[0] = 5;
+ volatile __int24 staticConfig = 0;
+
+ if (junk[0] != 5)
+ abort();
+
+ exit(0);
+ return 0;
+}