Fixed a bug with how non power 2 values were written to memory, added test for it

1 files changed, 21 insertions, 0 deletions

diff --git a/test/regression/2015-06-22-struct-write.c b/test/regression/2015-06-22-struct-write.c
new file mode 100644
index 00000000..6efc4ee6
--- /dev/null
+++ b/test/regression/2015-06-22-struct-write.c
@@ -0,0 +1,21 @@
+// RUN: %llvmgcc %s -emit-llvm -g -O0 -c -o %t.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out -exit-on-error %t.bc
+
+#include <assert.h>
+#include <klee/klee.h>
+
+union U0 {
+	signed f3 :18;
+};
+
+static union U0 u = { 0UL };
+
+int main(int argc, char **argv) {
+  u.f3 = 534;
+
+  klee_assert(u.f3 == 534);
+
+  return 0;
+}
+