1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr42629.c b/gcc/testsuite/gcc.dg/pr42629.c
new file mode 100644
index 000000000..e95d29b54
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr42629.c
@@ -0,0 +1,27 @@
+/* This failed -fcompare-debug because register pressure computation
+   took debug insns into account.  */
+/* { dg-do compile } */
+/* { dg-options "-O1 -fsched-pressure -fschedule-insns -fcompare-debug" } */
+
+int lzo_adler32(int adler, char *buf)
+{
+  int s1 = adler;
+  int s2 = adler;
+  s1 += buf[0];
+  s2 += s1;
+  s1 += buf[1];
+  s2 += s1;
+  s1 += buf[2];
+  s2 += s1;
+  s1 += buf[3];
+  s2 += s1;
+  s1 += buf[4];
+  s2 += s1;
+  s1 += buf[5];
+  s2 += s1;
+  s1 += buf[6];
+  s2 += s1;
+  s1 += buf[7];
+  s2 += s1;
+  return (s2 << 16) + s1;
+}