https://llvm.org/bugs/show_bug.cgi?id=26306
Bug ID: 26306
Summary: [msvc] not tailcalling in this-adjustment thunk
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: h...@chromium.org
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
Blocks: 26299
Classification: Unclassified
>From Chromium: [thunk]:public: virtual void __thiscall
ash::WorkspaceBackdropDelegate::OnWindowStackingChanged`adjustor{8}' (class
aura::Window *)
MSVC generates:
00000000: 83 E9 08 sub ecx,8
00000003: E9 00 00 00 00 jmp
?OnWindowStackingChanged@WorkspaceBackdropDelegate@ash@@UAEXPAVWindow@aura@@@Z
Clang generates:
00000000: 55 push ebp
00000001: 89 E5 mov ebp,esp
00000003: 83 C1 F8 add ecx,0FFFFFFF8h
00000006: E8 00 00 00 00 call
?RestackBackdrop@WorkspaceBackdropDelegate@ash@@AAEXXZ
0000000B: 5D pop ebp
0000000C: C2 04 00 ret 4
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