more precise error for getstaticcode (and others)

moarvm.diff

diff --git a/src/core/interp.c b/src/core/interp.c
index e019a53..c31691c 100644
--- a/src/core/interp.c
+++ b/src/core/interp.c
@@ -2900,7 +2900,7 @@ void MVM_interp_run(MVMThreadContext *tc, void (*initial_invoke)(MVMThreadContex
                 MVMObject * const cr = GET_REG(cur_op, 2).o;
                 MVMCode *ncr;
                 if (REPR(cr)->ID != MVM_REPR_ID_MVMCode)
-                    MVM_exception_throw_adhoc(tc, "freshcoderef requires a coderef");
+                    MVM_exception_throw_adhoc(tc, "freshcoderef requires a static coderef but got %s (%s)", REPR(cr)->name, STABLE(cr)->debug_name);
                 ncr = (MVMCode *)(GET_REG(cur_op, 0).o = MVM_repr_clone(tc, cr));
                 MVMROOT(tc, ncr, {
                     MVMStaticFrame *nsf;
@@ -2917,7 +2917,7 @@ void MVM_interp_run(MVMThreadContext *tc, void (*initial_invoke)(MVMThreadContex
             OP(markcodestatic): {
                 MVMObject * const cr = GET_REG(cur_op, 0).o;
                 if (REPR(cr)->ID != MVM_REPR_ID_MVMCode)
-                    MVM_exception_throw_adhoc(tc, "markcodestatic requires a coderef");
+                    MVM_exception_throw_adhoc(tc, "markcodestatic requires a static coderef but got %s (%s)", REPR(cr)->name, STABLE(cr)->debug_name);
                 ((MVMCode *)cr)->body.is_static = 1;
                 cur_op += 2;
                 goto NEXT;
@@ -2925,7 +2925,7 @@ void MVM_interp_run(MVMThreadContext *tc, void (*initial_invoke)(MVMThreadContex
             OP(markcodestub): {
                 MVMObject * const cr = GET_REG(cur_op, 0).o;
                 if (REPR(cr)->ID != MVM_REPR_ID_MVMCode)
-                    MVM_exception_throw_adhoc(tc, "markcodestub requires a coderef");
+                    MVM_exception_throw_adhoc(tc, "markcodestub requires a static coderef but got %s (%s)", REPR(cr)->name, STABLE(cr)->debug_name);
                 ((MVMCode *)cr)->body.is_compiler_stub = 1;
                 cur_op += 2;
                 goto NEXT;
@@ -2933,7 +2933,7 @@ void MVM_interp_run(MVMThreadContext *tc, void (*initial_invoke)(MVMThreadContex
             OP(getstaticcode): {
                 MVMObject * const cr = GET_REG(cur_op, 2).o;
                 if (REPR(cr)->ID != MVM_REPR_ID_MVMCode)
-                    MVM_exception_throw_adhoc(tc, "getstaticcode requires a static coderef");
+                    MVM_exception_throw_adhoc(tc, "getstaticcode requires a static coderef but got %s (%s)", REPR(cr)->name, STABLE(cr)->debug_name);
                 GET_REG(cur_op, 0).o = (MVMObject *)((MVMCode *)cr)->body.sf->body.static_code;
                 cur_op += 4;
                 goto NEXT;
@@ -2941,7 +2941,7 @@ void MVM_interp_run(MVMThreadContext *tc, void (*initial_invoke)(MVMThreadContex
             OP(getcodecuid): {
                 MVMObject * const cr = GET_REG(cur_op, 2).o;
                 if (REPR(cr)->ID != MVM_REPR_ID_MVMCode || !IS_CONCRETE(cr))
-                    MVM_exception_throw_adhoc(tc, "getcodecuid requires a static coderef");
+                    MVM_exception_throw_adhoc(tc, "getcodecuid requires a static coderef but got %s (%s)", REPR(cr)->name, STABLE(cr)->debug_name);
                 GET_REG(cur_op, 0).s = ((MVMCode *)cr)->body.sf->body.cuuid;
                 cur_op += 4;
                 goto NEXT;