docs/knowledge-graph/vault-wmls-5/clauses/wmlscript-cl-stack-underflow-fatal.md
Treat an instruction that pops an empty operand stack as the specified fatal bytecode error.
Generated from canonical repository manifests. Do not edit this note directly.
Relationships
maps-to→ [[requirements/RQ-WMLS-008|RQ-WMLS-008]]maps-to→ [[requirements/RQ-WMLS-010|RQ-WMLS-010]]planned-by→ [[work-items/WMLS-501|WMLS-501]]planned-by→ [[work-items/WMLS-502|WMLS-502]]planned-by→ [[work-items/WMLS-505|WMLS-505]]refines→ [[scr-rows/WMLS-C-103|WMLS-C-103]]refines→ [[scr-rows/WMLS-C-110|WMLS-C-110]]sourced-from→ [[source-documents/WAP-193_101-WMLScript|WAP-193_101-WMLScript]]verified-by→ [[fixtures/WMLSCRIPT-FX-STACK-UNDERFLOW-FATAL|WMLSCRIPT-FX-STACK-UNDERFLOW-FATAL]]
Data
{
"family": "wmlscript",
"parentRows": [
"WMLS-C-103",
"WMLS-C-110"
],
"sourceAnchor": {
"documentId": "WAP-193_101-WMLScript",
"section": "10.5.9",
"heading": "10.5.9 Stack Instructions",
"normalizedTextSha256": "7bd58c6898bfbcc504a79b980b8d893654ea9102343d34c2aa2af36ed3f98e20"
},
"normativeForce": "error-condition",
"obligationLevel": "required",
"obligationSynopsis": "Treat an instruction that pops an empty operand stack as the specified fatal bytecode error.",
"workItems": [
"W1-02",
"W1-04",
"W1-05",
"W1-06",
"W1-07",
"WMLS-501",
"WMLS-502",
"WMLS-505"
],
"ownerLayers": [
"engine-wasm"
],
"requirementIds": [
"RQ-WMLS-008",
"RQ-WMLS-010"
],
"implementationStatus": "implemented",
"evidenceGate": "A source-derived direct fixture and reviewed code/test evidence are required before this clause may be marked implemented.",
"source": "spec-processing/source-manifests/wap-1.2.1-selected-normative-clauses.json"
}