runtests: fix bundled test invocation with `-g` option

Fixes:
```
$ ./runtests.pl -g 1940
./libtest/libtests lib1940: No such file or directory.
Argument list to give program being debugged when it is started is "http://127.0.0.1:44547/1940".
```

Reported-by: Daniel Stenberg
Fixes #16893
Closes #16898

diff --git a/tests/runner.pm b/tests/runner.pm
index 14acbcdd92cbdefc39107706921c8edce95d09ce..d003a334e3169856680c1b889ca58dc4a41962b3 100644 (file)
--- a/tests/runner.pm
+++ b/tests/runner.pm
@@ -939,7 +939,12 @@ sub singletest_run {
         $CMDLINE=exerunner() . $CMDLINE;
 
         if($bundle) {
-            $CMDLINE.=" $tool_name";
+            if($gdbthis) {
+                $cmdargs =" $tool_name$cmdargs";
+            }
+            else {
+                $CMDLINE.=" $tool_name";
+            }
         }
 
         $DBGCURL=$CMDLINE;