template struct Block { auto fc_handles() { return fc::make_tuple(&data); } int size; int ref_cnt; fc::AdjacentArray data; }; template auto my::make_shared(int my::make_shared(int n) { Block* block = fc::make>(n) // return my::shared_ptr(block); } (n, 0); https://godbolt.org/z/v3hdhYnaT auto begin = block->data.begin(); auto end = std::advance(begin struct Foo { auto fc_handles() { return fc::make_tuple(&h1, &h2, &h3); } fc::Range h1; fc::Array h2; fc::Array h3; }; Foo* f = fc::make(3, 17

foo()+10 0x3FDC [foo] r5 0x3FD8 [foo] r4 0x3FD4 obj[1/3] 0x3FD0 obj[2/3] 0x3FCC obj[3/3] 0x3FC8 bar()+14 0x3FC4 [bar] r4 Virtual ARM CPU Reg Value R0 XXXX R1 XXXX R2 XXXX R3 XXXX R4 ? R5 ? R6 – foo()+10 0x3FDC [foo] r5 0x3FD8 [foo] r4 0x3FD4 obj[1/3] 0x3FD0 obj[2/3] 0x3FCC obj[3/3] 0x3FC8 bar()+14 0x3FC4 [bar] r4 Virtual ARM CPU Reg Value R0 XXXX R1 XXXX R2 XXXX R3 XXXX R4 ? R5 ? R6 – foo()+10 0x3FDC [foo] r5 0x3FD8 [foo] r4 0x3FD4 obj[1/3] 0x3FD0 obj[2/3] 0x3FCC obj[3/3] 0x3FC8 bar()+14 0x3FC4 [bar] r4 Virtual ARM CPU Reg Value R0 XXXX R1 XXXX R2 XXXX R3 XXXX R4 ? R5 ? R6 –

necessary packages ---------- Requirements zlib/1.2.11#f1fadf0d3b196dc0332750354ad8ab7b:cdc9a35e010a17fc90bb845108cf86cfcbce64bf ˓→#dd7bf2a1ab4eb5d1943598c09b616121 - Download (conancenter) -------- Installing ---------- Installing (downloading, building) binaries... zlib/1.2.11: Retrieving package cdc9a35e010a17fc90bb845108cf86cfcbce64bf from remote ˓→'conancenter' Downloading conanmanifest.txt (continues on next Downloading conan_package.tgz Decompressing conan_package.tgz zlib/1.2.11: Package installed cdc9a35e010a17fc90bb845108cf86cfcbce64bf zlib/1.2.11: Downloaded package revision dd7bf2a1ab4eb5d1943598c09b616121

necessary packages ---------- Requirements zlib/1.2.11#f1fadf0d3b196dc0332750354ad8ab7b:cdc9a35e010a17fc90bb845108cf86cfcbce64bf ˓→#dd7bf2a1ab4eb5d1943598c09b616121 - Download (conancenter) -------- Installing ---------- Installing (downloading, building) binaries... zlib/1.2.11: Retrieving package cdc9a35e010a17fc90bb845108cf86cfcbce64bf from remote ˓→'conancenter' Downloading conanmanifest.txt (continues on next Downloading conan_package.tgz Decompressing conan_package.tgz zlib/1.2.11: Package installed cdc9a35e010a17fc90bb845108cf86cfcbce64bf zlib/1.2.11: Downloaded package revision dd7bf2a1ab4eb5d1943598c09b616121

necessary packages ---------- Requirements zlib/1.2.11#f1fadf0d3b196dc0332750354ad8ab7b:cdc9a35e010a17fc90bb845108cf86cfcbce64bf ˓→#dd7bf2a1ab4eb5d1943598c09b616121 - Download (conancenter) -------- Installing ---------- Installing (downloading, building) binaries... zlib/1.2.11: Retrieving package cdc9a35e010a17fc90bb845108cf86cfcbce64bf from remote ˓→'conancenter' Downloading conanmanifest.txt (continues on next Downloading conan_package.tgz Decompressing conan_package.tgz zlib/1.2.11: Package installed cdc9a35e010a17fc90bb845108cf86cfcbce64bf zlib/1.2.11: Downloaded package revision dd7bf2a1ab4eb5d1943598c09b616121

necessary packages ---------- Requirements zlib/1.2.11#f1fadf0d3b196dc0332750354ad8ab7b:cdc9a35e010a17fc90bb845108cf86cfcbce64bf ˓→#dd7bf2a1ab4eb5d1943598c09b616121 - Download (conancenter) -------- Installing ---------- Installing (downloading, building) binaries... zlib/1.2.11: Retrieving package cdc9a35e010a17fc90bb845108cf86cfcbce64bf from remote ˓→'conancenter' Downloading conanmanifest.txt (continues on next Downloading conan_package.tgz Decompressing conan_package.tgz zlib/1.2.11: Package installed cdc9a35e010a17fc90bb845108cf86cfcbce64bf zlib/1.2.11: Downloaded package revision dd7bf2a1ab4eb5d1943598c09b616121

==27748==ERROR: AddressSanitizer: stack-use-after-scope on address 0x0055fc68 at pc 0x793d62de bp 0x0055fbf4 sp 0x0055fbe8 WRITE of size 80 at 0x0055fc68 thread T0 #0 0x793d62f6 in __asan_wrap_memset d:\_work EL32.DLL+0x6b816358) #13 0x77df7a93 (C:\WINDOWS\SYSTEM32\ntdll.dll+0x4b2e7a93) Address 0x0055fc68 is located in stack of thread T0 SUMMARY: AddressSanitizer: stack-use-after-scope d:\compiler-rt f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca

necessary packages ---------- Requirements zlib/1.2.11#f1fadf0d3b196dc0332750354ad8ab7b:cdc9a35e010a17fc90bb845108cf86cfcbce64bf ˓→#dd7bf2a1ab4eb5d1943598c09b616121 - Download (conancenter) -------- Installing ---------- Installing (downloading, building) binaries... zlib/1.2.11: Retrieving package cdc9a35e010a17fc90bb845108cf86cfcbce64bf from remote ˓→'conancenter' Downloading conanmanifest.txt (continues on next Downloading conan_package.tgz Decompressing conan_package.tgz zlib/1.2.11: Package installed cdc9a35e010a17fc90bb845108cf86cfcbce64bf zlib/1.2.11: Downloaded package revision dd7bf2a1ab4eb5d1943598c09b616121

necessary packages ---------- Requirements zlib/1.2.11#f1fadf0d3b196dc0332750354ad8ab7b:cdc9a35e010a17fc90bb845108cf86cfcbce64bf ˓→#dd7bf2a1ab4eb5d1943598c09b616121 - Download (conancenter) -------- Installing ---------- Installing (downloading, building) binaries... zlib/1.2.11: Retrieving package cdc9a35e010a17fc90bb845108cf86cfcbce64bf from remote ˓→'conancenter' Downloading conanmanifest.txt (continues on next Downloading conan_package.tgz Decompressing conan_package.tgz zlib/1.2.11: Package installed cdc9a35e010a17fc90bb845108cf86cfcbce64bf zlib/1.2.11: Downloaded package revision dd7bf2a1ab4eb5d1943598c09b616121

necessary packages ---------- Requirements zlib/1.2.11#f1fadf0d3b196dc0332750354ad8ab7b:cdc9a35e010a17fc90bb845108cf86cfcbce64bf ˓→#dd7bf2a1ab4eb5d1943598c09b616121 - Download (conancenter) -------- Installing ---------- Installing (downloading, building) binaries... zlib/1.2.11: Retrieving package cdc9a35e010a17fc90bb845108cf86cfcbce64bf from remote ˓→'conancenter' Downloading conanmanifest.txt (continues on next Downloading conan_package.tgz Decompressing conan_package.tgz zlib/1.2.11: Package installed cdc9a35e010a17fc90bb845108cf86cfcbce64bf zlib/1.2.11: Downloaded package revision dd7bf2a1ab4eb5d1943598c09b616121