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-rw-r--r--lib/spack/spack/spec.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py
index ac4ce87331..46400859d3 100644
--- a/lib/spack/spack/spec.py
+++ b/lib/spack/spack/spec.py
@@ -2442,6 +2442,9 @@ class Spec(object):
raise spack.error.SpecError(
"Spec has no name; cannot concretize an anonymous spec")
+ if self._concrete:
+ return
+
result = spack.solver.asp.solve([self], tests=tests)
if not result.satisfiable:
result.print_cores()