diff --git a/testsuite/bsc.bugs/github/Makefile b/testsuite/bsc.bugs/github/Makefile
new file mode 100644
index 000000000..b953e8132
--- /dev/null
+++ b/testsuite/bsc.bugs/github/Makefile
@@ -0,0 +1,5 @@
+# for "make clean" to work everywhere
+
+CONFDIR = $(realpath ../..)
+
+include $(CONFDIR)/clean.mk
diff --git a/testsuite/bsc.bugs/github/gh276/Makefile b/testsuite/bsc.bugs/github/gh276/Makefile
new file mode 100644
index 000000000..607fb8db7
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/Makefile
@@ -0,0 +1,5 @@
+# for "make clean" to work everywhere
+
+CONFDIR = $(realpath ../../..)
+
+include $(CONFDIR)/clean.mk
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestStringOf_NoCon.bsv b/testsuite/bsc.bugs/github/gh276/SuggestStringOf_NoCon.bsv
new file mode 100644
index 000000000..cc6faf18a
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestStringOf_NoCon.bsv
@@ -0,0 +1,5 @@
+typedef "Foo" Name;
+
+function Bool isName (String x);
+   return (Name == x);
+endfunction
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestStringOf_NoCon.bsv.bsc-out.expected b/testsuite/bsc.bugs/github/gh276/SuggestStringOf_NoCon.bsv.bsc-out.expected
new file mode 100644
index 000000000..929a26ce9
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestStringOf_NoCon.bsv.bsc-out.expected
@@ -0,0 +1,4 @@
+checking package dependencies
+compiling SuggestStringOf_NoCon.bsv
+Error: "SuggestStringOf_NoCon.bsv", line 4, column 12: (T0003)
+  Unbound constructor `Name'. Perhaps `stringOf' is missing?
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestStringOf_TwoCon_IntegerContext.bsv b/testsuite/bsc.bugs/github/gh276/SuggestStringOf_TwoCon_IntegerContext.bsv
new file mode 100644
index 000000000..1ac3c1c51
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestStringOf_TwoCon_IntegerContext.bsv
@@ -0,0 +1,13 @@
+typedef union tagged {
+  Bit#(16) DataWidth;
+} T1;
+
+typedef union tagged {
+  Bit#(8) DataWidth;
+} T2;
+
+typedef "Foo" Name;
+
+function String getName();
+   return Name;
+endfunction
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestStringOf_TwoCon_IntegerContext.bsv.bsc-out.expected b/testsuite/bsc.bugs/github/gh276/SuggestStringOf_TwoCon_IntegerContext.bsv.bsc-out.expected
new file mode 100644
index 000000000..d40ab9000
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestStringOf_TwoCon_IntegerContext.bsv.bsc-out.expected
@@ -0,0 +1,4 @@
+checking package dependencies
+compiling SuggestStringOf_TwoCon_IntegerContext.bsv
+Error: "SuggestStringOf_TwoCon_IntegerContext.bsv", line 12, column 11: (T0003)
+  Unbound constructor `Name'. Perhaps `stringOf' is missing?
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestValueOf_NoCon.bsv b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_NoCon.bsv
new file mode 100644
index 000000000..9fabf43ee
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_NoCon.bsv
@@ -0,0 +1,5 @@
+typedef 32 DataWidth;
+
+function Bool is64 (Bit#(8) x);
+   return (DataWidth == 64);
+endfunction
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestValueOf_NoCon.bsv.bsc-out.expected b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_NoCon.bsv.bsc-out.expected
new file mode 100644
index 000000000..bdd57cc5e
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_NoCon.bsv.bsc-out.expected
@@ -0,0 +1,4 @@
+checking package dependencies
+compiling SuggestValueOf_NoCon.bsv
+Error: "SuggestValueOf_NoCon.bsv", line 4, column 12: (T0003)
+  Unbound constructor `DataWidth'. Perhaps `valueOf' is missing?
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestValueOf_OneCon.bsv b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_OneCon.bsv
new file mode 100644
index 000000000..7235c7be4
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_OneCon.bsv
@@ -0,0 +1,9 @@
+typedef union tagged {
+  Bit#(16) DataWidth;
+} T1;
+
+typedef 32 DataWidth;
+
+function Integer getDataWidth();
+   return DataWidth;
+endfunction
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestValueOf_OneCon.bsv.bsc-out.expected b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_OneCon.bsv.bsc-out.expected
new file mode 100644
index 000000000..6ee0aff14
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_OneCon.bsv.bsc-out.expected
@@ -0,0 +1,11 @@
+checking package dependencies
+compiling SuggestValueOf_OneCon.bsv
+Error: "SuggestValueOf_OneCon.bsv", line 8, column 11: (T0144)
+  Wrong number of arguments in the partial application of the following
+  constructor:
+    SuggestValueOf_OneCon::DataWidth
+  The constructor expects 1 arguments and was used with 0 arguments, leaving 1
+  unfilled, however a function was not expected.
+  The expected type is:
+    Integer
+
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_IntegerContext.bsv b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_IntegerContext.bsv
new file mode 100644
index 000000000..2c35827e5
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_IntegerContext.bsv
@@ -0,0 +1,13 @@
+typedef union tagged {
+  Bit#(16) DataWidth;
+} T1;
+
+typedef union tagged {
+  Bit#(8) DataWidth;
+} T2;
+
+typedef 32 DataWidth;
+
+function Integer getDataWidth();
+   return DataWidth;
+endfunction
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_IntegerContext.bsv.bsc-out.expected b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_IntegerContext.bsv.bsc-out.expected
new file mode 100644
index 000000000..538ea487f
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_IntegerContext.bsv.bsc-out.expected
@@ -0,0 +1,4 @@
+checking package dependencies
+compiling SuggestValueOf_TwoCon_IntegerContext.bsv
+Error: "SuggestValueOf_TwoCon_IntegerContext.bsv", line 12, column 11: (T0003)
+  Unbound constructor `DataWidth'. Perhaps `valueOf' is missing?
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_PolyContext.bsv b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_PolyContext.bsv
new file mode 100644
index 000000000..de13dafc7
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_PolyContext.bsv
@@ -0,0 +1,14 @@
+typedef union tagged {
+  Bit#(16) DataWidth;
+} T1;
+
+typedef union tagged {
+  Bit#(8) DataWidth;
+} T2;
+
+typedef 32 DataWidth;
+
+function Bool is64 (Integer x);
+   // The expected type for DataWidth is a variable because '==' is overloaded
+   return (DataWidth == 64);
+endfunction
diff --git a/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_PolyContext.bsv.bsc-out.expected b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_PolyContext.bsv.bsc-out.expected
new file mode 100644
index 000000000..4172543d2
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/SuggestValueOf_TwoCon_PolyContext.bsv.bsc-out.expected
@@ -0,0 +1,4 @@
+checking package dependencies
+compiling SuggestValueOf_TwoCon_PolyContext.bsv
+Error: "SuggestValueOf_TwoCon_PolyContext.bsv", line 13, column 12: (T0019)
+  Constructor `DataWidth' is not disambiguated by type `_tctyvar1004'
diff --git a/testsuite/bsc.bugs/github/gh276/gh276.exp b/testsuite/bsc.bugs/github/gh276/gh276.exp
new file mode 100644
index 000000000..139bd89f7
--- /dev/null
+++ b/testsuite/bsc.bugs/github/gh276/gh276.exp
@@ -0,0 +1,43 @@
+
+# GitHub Issue #276
+#
+# Test BSC error messages when the user forgets to apply 'valueOf'
+# (or 'stringOf') to a type name, which BSC then interprets as a
+# constructor name
+
+proc do_test { filename } {
+    compile_fail $filename
+    compare_file [make_bsc_output_name $filename]
+}
+
+# If there is no constructor by the same name as the type,
+# BSC reports an unbound constructor error (T0003)
+# and adds a message suggesting 'valueOf'
+#
+do_test SuggestValueOf_NoCon.bsv
+do_test SuggestStringOf_NoCon.bsv
+
+# If there is one constructor by the same name as the type,
+# BSC assumes the user meant that one, and uses its type.
+# This likely results in a type mismatch error, because the
+# constructor expects an argument.
+# This message will not suggest that 'valueOf' is missing.
+#
+do_test SuggestValueOf_OneCon.bsv
+
+# If there is more than one constructor by the same name as the type,
+# and the context expects a concrete type, then BSC will pick the
+# constructor with that return type.  Likely finding none, BSC will
+# report an unbound constructor error (T0003) and add a message
+# suggesting 'valueOf'
+#
+do_test SuggestValueOf_TwoCon_IntegerContext.bsv
+do_test SuggestStringOf_TwoCon_IntegerContext.bsv
+
+# If there is more than on constructor by the same name as the type,
+# but the context does not expect a concrete type (is polymorphic),
+# then BSC will report an unambiguous constructor error (T0019).
+# This message will not suggest that 'valueOf' is missing.
+#
+do_test SuggestValueOf_TwoCon_PolyContext.bsv
+