1 files changed, 51 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/arm/pr42093.c b/gcc-4.9/gcc/testsuite/gcc.target/arm/pr42093.c
new file mode 100644
index 000000000..7ba2f933e
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/arm/pr42093.c
@@ -0,0 +1,51 @@
+/* { dg-options "-mthumb -O2 -fno-reorder-blocks" }  */
+/* { dg-require-effective-target arm_thumb2_ok } */
+/* { dg-final { scan-assembler-not "tbb" } } */
+/* { dg-final { scan-assembler-not "tbh" } } */
+
+#include <stdlib.h>
+
+int gbl;
+int foo (int *buf, int n)
+{
+  int ctr = 0;
+  int c;
+  while (1)
+    {
+      c = buf[ctr++];
+      switch (c)
+        {
+        case '\n':
+          gbl++;
+          break;
+
+        case ' ': case '\t' : case '\f' : case '\r':
+          break;
+
+        case ';':
+          do
+            c = buf [ctr++];
+          while (c != '\n' && c != -1);
+          gbl++;
+          break;
+
+        case '/':
+          {
+            int prevc;
+            c = buf [ctr++];
+            if (c != '*')
+              abort ();
+
+            prevc = 0;
+            while ((c = buf[ctr++]) && c != -1)
+              {
+                if (c == '\n')
+                  gbl++;
+              }
+            break;
+          }
+        default:
+          return c;
+        }
+    }
+}