[sdb] Fix invokes to string ctors. Fixes #57197.

[mono.git] / mono / mini / debugger-agent.c

diff --git a/mono/mini/debugger-agent.c b/mono/mini/debugger-agent.c
index 88b1b18b68b8e0492dc328d8b4347d14843a43b8..b887931ac0e37c068ecbe2fd58899c7e60c2dd04 100644 (file)
--- a/mono/mini/debugger-agent.c
+++ b/mono/mini/debugger-agent.c
@@ -7159,7 +7159,9 @@ do_invoke_method (DebuggerTlsData *tls, Buffer *buf, InvokeData *invoke, guint8
                if ((invoke->flags & INVOKE_FLAG_RETURN_OUT_ARGS) && CHECK_PROTOCOL_VERSION (2, 35))
                        out_args = TRUE;
                buffer_add_byte (buf, 1 + (out_this ? 2 : 0) + (out_args ? 4 : 0));
-               if (sig->ret->type == MONO_TYPE_VOID) {
+               if (m->string_ctor) {
+                       buffer_add_value (buf, &mono_get_string_class ()->byval_arg, &res, domain);
+               } else if (sig->ret->type == MONO_TYPE_VOID && !m->string_ctor) {
                        if (!strcmp (m->name, ".ctor")) {
                                if (!m->klass->valuetype)
                                        buffer_add_value (buf, &mono_defaults.object_class->byval_arg, &this_arg, domain);