diff options
Diffstat (limited to 'module/system/vm/coverage.scm')
-rw-r--r-- | module/system/vm/coverage.scm | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/module/system/vm/coverage.scm b/module/system/vm/coverage.scm index 0f4c73ec9..17e2f40eb 100644 --- a/module/system/vm/coverage.scm +++ b/module/system/vm/coverage.scm @@ -199,12 +199,14 @@ coverage data. Return code coverage data and the values returned by THUNK." if PROC was not executed. When PROC is a closure, the number of times its code was executed is returned, not the number of times this code associated with this particular closure was executed." - (and=> (hashx-ref hashq-proc assq-proc - (data-procedure->ip-counts data) proc) - (let ((sources (program-sources* data proc))) - (lambda (ip-counts) - (let ((entry-ip (source:addr (car sources)))) ;; FIXME: broken with lambda* - (hashv-ref ip-counts entry-ip 0)))))) + (let ((sources (program-sources* data proc))) + (and (pair? sources) + (and=> (hashx-ref hashq-proc assq-proc + (data-procedure->ip-counts data) proc) + (lambda (ip-counts) + ;; FIXME: broken with lambda* + (let ((entry-ip (source:addr (car sources)))) + (hashv-ref ip-counts entry-ip 0))))))) (define (program-sources* data proc) ;; A memoizing version of `program-sources'. |