1 files changed, 10 insertions, 1 deletions
diff --git a/src/corelib/tools/qlocale_p.h b/src/corelib/tools/qlocale_p.h
index a9c23aed61..a96ecf1c1c 100644
--- a/src/corelib/tools/qlocale_p.h
+++ b/src/corelib/tools/qlocale_p.h
@@ -249,7 +249,16 @@ public:
         if (std::fabs(d) > std::numeric_limits<float>::max()) {
             if (ok != 0)
                 *ok = false;
-            return 0.0f;
+            const float huge = std::numeric_limits<float>::infinity();
+            return d < 0 ? -huge : huge;
+        }
+        if (std::fabs(d) >= std::numeric_limits<double>::min() // i.e. d != 0
+            && std::fabs(d) < std::numeric_limits<float>::min()) {
+            // Values smaller than std::numeric_limits<double>::min() have
+            // failed already; match them.
+            if (ok != 0)
+                *ok = false;
+            return 0;
         }
         return float(d);
     }