macro: apply recursion bound to imported calls - #382
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Summary
Why
Macros registered by
{% macro %}incrementExecutionContext.macroDepth, but{% import %}currently installs a different closure that calls the macro body directly. A recursively imported macro therefore bypasses the existing guard and can recurse until the Go runtime terminates the process with a stack overflow.Using one callable for both registration paths preserves the current limit and error while closing the bypass.
Verification
go test ./...go test -race ./...go vet ./...