5 files changed, 66 insertions, 5 deletions
diff --git a/validation/expand/constant-union-flt2int.c b/validation/expand/constant-union-flt2int.c
new file mode 100644
index 00000000..1c8f480b
--- /dev/null
+++ b/validation/expand/constant-union-flt2int.c
@@ -0,0 +1,21 @@
+union u {
+	int i;
+	float f;
+};
+
+static int foo(void)
+{
+	union u u = { .f = 0.123 };
+	return u.i;
+}
+
+/*
+ * check-name: constant-union-float-to-int
+ * check description: must not infer the int value from the float
+ * check-command: test-linearize -fdump-ir $file
+ * check-known-to-fail
+ *
+ * check-output-ignore
+ * check-output-pattern(1): setfval\\.
+ * check-output-pattern(1): load\\.
+ */
diff --git a/validation/expand/constant-union-int2flt.c b/validation/expand/constant-union-int2flt.c
new file mode 100644
index 00000000..ff0a642a
--- /dev/null
+++ b/validation/expand/constant-union-int2flt.c
@@ -0,0 +1,20 @@
+union u {
+	int i;
+	float f;
+};
+
+static float foo(void)
+{
+	union u u = { .i = 3 };
+	return u.f;
+}
+
+/*
+ * check-name: constant-union-int-to-float
+ * check description: must not infer the float value from the int
+ * check-command: test-linearize -fdump-ir $file
+ * check-known-to-fail
+ *
+ * check-output-ignore
+ * check-output-pattern(1): load\\.
+ */
diff --git a/validation/bug-expand-union0.c b/validation/expand/constant-union-size.c
index dd6d60c3..b6c3ac75 100644
--- a/validation/bug-expand-union0.c
+++ b/validation/expand/constant-union-size.c
@@ -10,9 +10,9 @@ static int foo(void)
 }
 
 /*
- * check-name: bug-expand-union
- * check description: must not infer the value from the float
- * check-command: test-linearize $file
+ * check-name: constant-union-size
+ * check description: the size of the initializer doesn't match
+ * check-command: test-linearize -fdump-ir $file
  * check-known-to-fail
  *
  * check-output-ignore
diff --git a/validation/bug-expand-union1.c b/validation/memops/type-punning-flt2int.c
index 582a1f4f..a76c6c1d 100644
--- a/validation/bug-expand-union1.c
+++ b/validation/memops/type-punning-flt2int.c
@@ -10,8 +10,8 @@ static int foo(void)
 }
 
 /*
- * check-name: bug-expand-union
- * check description: must not infer the value from the float
+ * check-name: type-punning-float-to-int
+ * check description: must not infer the int value from the float
  * check-command: test-linearize $file
  * check-known-to-fail
  *
diff --git a/validation/memops/type-punning-int2flt.c b/validation/memops/type-punning-int2flt.c
new file mode 100644
index 00000000..c05ce252
--- /dev/null
+++ b/validation/memops/type-punning-int2flt.c
@@ -0,0 +1,20 @@
+union u {
+	int i;
+	float f;
+};
+
+static float foo(void)
+{
+	union u u = { .i = 3 };
+	return u.f;
+}
+
+/*
+ * check-name: type-punning-int-to-float
+ * check description: must not infer the float value from the int
+ * check-command: test-linearize $file
+ * check-known-to-fail
+ *
+ * check-output-ignore
+ * check-output-contains: load\\.
+ */