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Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr54211.c')
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/pr54211.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr54211.c b/gcc/testsuite/gcc.dg/tree-ssa/pr54211.c
new file mode 100644
index 00000000000..c8a1591b0a9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr54211.c
@@ -0,0 +1,28 @@
+/* { dg-do compile } */
+/* { dg-options "-Os" } */
+
+int a, b;
+unsigned char e;
+void fn1 ()
+{
+ unsigned char *c=0;
+ for (;; a++)
+ {
+ unsigned char d = *(c + b);
+ for (; &e<&d; c++)
+ goto Found_Top;
+ }
+Found_Top:
+ if (0)
+ goto Empty_Bitmap;
+ for (;; a++)
+ {
+ unsigned char *e = c + b;
+ for (; c < e; c++)
+ goto Found_Bottom;
+ c -= b;
+ }
+Found_Bottom:
+Empty_Bitmap:
+ ;
+}