diff --git a/gas/testsuite/gas/arm/thumb2_str-bad.d b/gas/testsuite/gas/arm/thumb2_str-bad.d
new file mode 100644
index 0000000000..6041643aaa
--- /dev/null
+++ b/gas/testsuite/gas/arm/thumb2_str-bad.d
@@ -0,0 +1,3 @@
+#name: Invalid Thumb-2 str instructions
+#as: -march=armv6kt2
+#error-output: thumb2_str-bad.l
diff --git a/gas/testsuite/gas/arm/thumb2_str-bad.l b/gas/testsuite/gas/arm/thumb2_str-bad.l
new file mode 100644
index 0000000000..5ee0597200
--- /dev/null
+++ b/gas/testsuite/gas/arm/thumb2_str-bad.l
@@ -0,0 +1,4 @@
+[^:]*: Assembler messages:
+[^:]*:8: Error: cannot use register index with PC-relative addressing -- `str r0,\[pc,4\]'
+[^:]*:9: Error: cannot use register index with PC-relative addressing -- `str r0,d'
+[^:]*:10: Error: r15 not allowed here -- `str pc,\[r0\]'
diff --git a/gas/testsuite/gas/arm/thumb2_str-bad.s b/gas/testsuite/gas/arm/thumb2_str-bad.s
new file mode 100644
index 0000000000..d5c37a57a2
--- /dev/null
+++ b/gas/testsuite/gas/arm/thumb2_str-bad.s
@@ -0,0 +1,15 @@
+	.syntax unified
+	.text
+	.align	2
+	.global	thumb2_str
+	.thumb
+	.thumb_func
+thumb2_str:
+	str r0, [pc, 4]
+	str r0, d
+	str pc, [r0]
+
+	.space 4
+	.align
+d:
+	.long 0