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-rw-r--r--erts/emulator/beam/beam_load.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c
index 7331c331a6..4fcfea527c 100644
--- a/erts/emulator/beam/beam_load.c
+++ b/erts/emulator/beam/beam_load.c
@@ -2384,8 +2384,18 @@ load_code(LoaderState* stp)
code[ci++] = NIL;
break;
case TAG_q:
- new_literal_patch(stp, ci);
- code[ci++] = tmp_op->a[arg].val;
+ {
+ BeamInstr val = tmp_op->a[arg].val;
+ Eterm term = stp->literals[val].term;
+ new_literal_patch(stp, ci);
+ code[ci++] = val;
+ switch (loader_tag(term)) {
+ case LOADER_X_REG:
+ case LOADER_Y_REG:
+ LoadError1(stp, "the term '%T' would be confused "
+ "with a register", term);
+ }
+ }
break;
default:
LoadError1(stp, "bad tag %d for general source",