Signature help for function pointers with calling convention does not show parameter names

[Befzz]

typedef int TYPE_INT;
typedef double TYPE_DOUBLE;

typedef void (                         * FUNC_PTR_TYPE    )(TYPE_INT location, TYPE_DOUBLE x) ;
typedef void (__stdcall                * FUNC_PTR_TYPE_MS )(TYPE_INT location, TYPE_DOUBLE x) ;
typedef void (__attribute__((stdcall)) * FUNC_PTR_TYPE_GNU)(TYPE_INT location, TYPE_DOUBLE x) ;
extern FUNC_PTR_TYPE     func_ptr;
extern FUNC_PTR_TYPE_MS  func_ptr_ms;
extern FUNC_PTR_TYPE_GNU func_ptr_gnu;

void f(){
    func_ptr()      //(TYPE_INT location, TYPE_DOUBLE x) -> void
    func_ptr_ms()   //(TYPE_INT, TYPE_DOUBLE) -> void
    func_ptr_gnu()  //(TYPE_INT, TYPE_DOUBLE) -> void
}

vscode / clangd 16.0.2 / win64 / clang

[HighCommander4]

(Edited title to clarify that the issue is with the content of the signature help popup. Inlay hints are a different feature.)

[HighCommander4]

Support for the case without a calling convention was added in #1068.

[HighCommander4]

Proposed fix: https://reviews.llvm.org/D157952

[Befzz]

#define APIENTRY __stdcall
#define APIENTRYP APIENTRY *

#define GLAPI __attribute__ ((dllexport)) extern
#define GLAPI __declspec(dllexport) extern
#define GLAPI extern


// how it is defined by glad gl c generator
typedef void (APIENTRYP PFNGLNAMEDBUFFERSUBDATAPROC)(GLuint buffer, GLintptr offset, GLsizeiptr size, const void *data);
GLAPI PFNGLNAMEDBUFFERSUBDATAPROC glad_glNamedBufferSubData;
#define glNamedBufferSubData glad_glNamedBufferSubData

// this is made by me to clarify the issue
void glNamedBufferSubData_WRAP(GLuint buffer, GLintptr offset, GLsizeiptr size, const void *data){
  glad_glNamedBufferSubData( buffer,  offset,  size, data);
}
void f(){
  glNamedBufferSubData     (        0,        sizeof(float[8]),       sizeof(char)*1,      (void*)(NULL));
  glNamedBufferSubData_WRAP(0, sizeof(float[8]), sizeof(char)*1, (void*)(NULL));
}

i also want to clarify desired result:
to show inlay hints for function pointers
or make it optional (not sure about performance impact, usefulness etc.)

[HighCommander4]

i also want to clarify desired result: to show inlay hints for function pointers

Could you file a separate issue for this please?