Skip to content

JIT: Fix uninitialized gtCallMethHnd for indirect calls causing false recursive tail call detection #127293

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
AndyAyersMS merged 3 commits into from
Apr 24, 2026
+7 −1
Merged

JIT: Fix uninitialized gtCallMethHnd for indirect calls causing false recursive tail call detection #127293

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
29a0272
JIT: Fix uninitialized gtCallMethHnd for indirect calls causing false…
Apr 22, 2026
575ed1c
Merge branch 'main' into fix/126930-uninit-gtCallMethHnd
AndyAyersMS Apr 23, 2026
ca4097c
Merge branch 'main' into fix/126930-uninit-gtCallMethHnd
AndyAyersMS Apr 24, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions src/coreclr/jit/compiler.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3882,6 +3882,10 @@ class Compiler
// Note when inlining, this looks for calls back to the root method.
bool gtIsRecursiveCall(GenTreeCall* call, bool useInlineRoot = true)
{
if (call->gtCallType == CT_INDIRECT)
{
return false;
}
return gtIsRecursiveCall(call->gtCallMethHnd, useInlineRoot);
}

Expand Down
4 changes: 3 additions & 1 deletion src/coreclr/jit/gentree.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9776,6 +9776,7 @@ GenTreeCall* Compiler::gtNewCallNode(gtCallTypes callType,
if (callType == CT_INDIRECT)
{
node->gtCallCookie = nullptr;
node->gtCallMethHnd = NO_METHOD_HANDLE;
node->gtControlExpr = (GenTree*)callHnd;
}
Comment thread
AndyAyersMS marked this conversation as resolved.
else
Expand Down Expand Up @@ -11383,7 +11384,8 @@ GenTreeCall* Compiler::gtCloneExprCallHelper(GenTreeCall* tree)
/* Copy the union */
if (tree->gtCallType == CT_INDIRECT)
{
copy->gtCallCookie = tree->gtCallCookie;
copy->gtCallCookie = tree->gtCallCookie;
copy->gtCallMethHnd = NO_METHOD_HANDLE;
}
else
{
Expand Down
Loading