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-rw-r--r--build2/test/script/runner.cxx6
1 files changed, 5 insertions, 1 deletions
diff --git a/build2/test/script/runner.cxx b/build2/test/script/runner.cxx
index 29f7a37..b071cf3 100644
--- a/build2/test/script/runner.cxx
+++ b/build2/test/script/runner.cxx
@@ -526,7 +526,11 @@ namespace build2
// stderr (if cached), print the proper diagnostics and fail.
//
optional<process::status_type> status (move (pr.status));
- bool valid_status (status && *status >= 0 && *status < 256);
+
+ // Comparison *status >= 0 causes "always true" warning on Windows
+ // where process::status_type is defined as uint32_t.
+ //
+ bool valid_status (status && *status + 1 > 0 && *status < 256);
bool eq (c.exit.comparison == exit_comparison::eq);
bool correct_status (valid_status &&