summaryrefslogtreecommitdiff
path: root/support/regression/tests/bug608752.c
diff options
context:
space:
mode:
authorXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
committerXavier ASUS <xavi92psx@gmail.com>2019-10-18 00:31:54 +0200
commit268a53de823a6750d6256ee1fb1e7707b4b45740 (patch)
tree42c1799a9a82b2f7d9790ee9fe181d72a7274751 /support/regression/tests/bug608752.c
downloadsdcc-gas-268a53de823a6750d6256ee1fb1e7707b4b45740.tar.gz
sdcc-3.9.0 fork implementing GNU assembler syntax
This fork aims to provide better support for stm8-binutils
Diffstat (limited to 'support/regression/tests/bug608752.c')
-rw-r--r--support/regression/tests/bug608752.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/support/regression/tests/bug608752.c b/support/regression/tests/bug608752.c
new file mode 100644
index 0000000..12dfbbb
--- /dev/null
+++ b/support/regression/tests/bug608752.c
@@ -0,0 +1,45 @@
+/* OpAssign tests
+ */
+#include <testfwk.h>
+
+#ifdef __SDCC
+#include <sdcc-lib.h>
+#else
+#define _STATMEM
+#endif
+
+typedef struct
+{
+ char a;
+ char n;
+} item_type;
+
+item_type t;
+
+
+_STATMEM item_type* get_next_item(void)
+{
+ /* have a side effect */
+ t.n++;
+
+ /* keep things easy, not implementing a list.
+ Using a true list would break things
+ even more pointedly:
+ a) reading beyond end of the list and
+ b) intermixing list members */
+ return &t;
+}
+
+
+void
+testOpAssign(void)
+{
+ t.a = 0;
+ t.n = 0;
+
+ /* get_next_item() should be called only once */
+ get_next_item()->a |= 42;
+
+ ASSERT (t.a == 42);
+ ASSERT (t.n == 1);
+}