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-rw-r--r--runtime/lua/vim/diagnostic.lua2
1 files changed, 2 insertions, 0 deletions
diff --git a/runtime/lua/vim/diagnostic.lua b/runtime/lua/vim/diagnostic.lua
index 59cb9f8c5b..a33fb2679c 100644
--- a/runtime/lua/vim/diagnostic.lua
+++ b/runtime/lua/vim/diagnostic.lua
@@ -272,6 +272,8 @@ end
---@private
local function set_diagnostic_cache(namespace, bufnr, diagnostics)
for _, diagnostic in ipairs(diagnostics) do
+ assert(diagnostic.lnum, "Diagnostic line number is required")
+ assert(diagnostic.col, "Diagnostic column is required")
diagnostic.severity = diagnostic.severity and to_severity(diagnostic.severity) or M.severity.ERROR
diagnostic.end_lnum = diagnostic.end_lnum or diagnostic.lnum
diagnostic.end_col = diagnostic.end_col or diagnostic.col