[src] use const& for catch; avoid compiler warnings for gcc>8 (#3909)

jtrmal · web-flow · commit ac6b12a9e2f8 · 2020-02-04T20:53:30.000+08:00
diff --git a/src/fstbin/fstdeterminizestar.cc b/src/fstbin/fstdeterminizestar.cc
@@ -129,7 +129,7 @@ int main(int argc, char *argv[]) {
             // of scope anyway.
           }
           fst_writer.Write(key, fst);
-        } catch (const std::runtime_error e) {
+        } catch (const std::runtime_error &e) {
           KALDI_WARN << "Error during determinization for key " << key;
         }
       }

Original file line number	Diff line number	Diff line change
`@@ -129,7 +129,7 @@ int main(int argc, char *argv[]) {`
`129`	`129`	`// of scope anyway.`
`130`	`130`	`}`
`131`	`131`	`fst_writer.Write(key, fst);`
`132`		`- } catch (const std::runtime_error e) {`
	`132`	`+ } catch (const std::runtime_error &e) {`
`133`	`133`	`KALDI_WARN << "Error during determinization for key " << key;`
`134`	`134`	`}`
`135`	`135`	`}`