Assertion fail on RaspberryPi / Raspbian bullseye

Observed behavior

Describe what happened. Any aids you can include (that you think could be relevant) are a tremendous help.

Compile ccls on RaspBerry Pi
Try to use ccls
See this error:

ccls: malloc.c:4036: _int_malloc: Assertion '(unsigned long) (size) >= (unsigned long) (nb)' failed

Note that the ccls package is also missing from the Raspbian repository while its available for Intel Debian.

Expected behavior

There should be no assertion error. The library should be available through apt install on Raspbian.

Steps to reproduce

see above

System information

ccls version (git describe --tags --long): latest master
clang version: Raspbian clang version 11.0.1-2+rpi1
OS: Raspbian GNU/Linux 11 (bullseye)
Editor: vim
Language client (and version): coc-nvim

Update: When installing ccls using snap this also happens, seems there is a general problem on that platform/OS. This is what I get when running directly from command line using ccls --index=/home/pi/src/arduino-433 -v=2

14:30:54 ccls           initialize.cc:274 I initialize in directory /home/pi/src/arduino-433 with uri file:///home/pi/src/arduino-433
14:30:54 ccls           initialize.cc:297 I initializationOptions: {"compilationDatabaseCommand":"","compilationDatabaseDirectory":"","cache":{"directory":".ccls-cache","format":"binary","hierarchicalPath":false,"retainInMemory":2},"capabilities":{"documentOnTypeFormattingProvider":{"firstTriggerCharacter":"}","moreTriggerCharacter":[]},"foldingRangeProvider":true,"workspace":{"workspaceFolders":{"supported":true,"changeNotifications":true}}},"clang":{"excludeArgs":[],"extraArgs":[],"pathMappings":[],"resourceDir":""},"client":{"diagnosticsRelatedInformation":true,"hierarchicalDocumentSymbolSupport":true,"linkSupport":true,"snippetSupport":true},"codeLens":{"localVariables":true},"completion":{"caseSensitivity":2,"detailedLabel":true,"dropOldRequests":true,"duplicateOptional":true,"filterAndSort":true,"include":{"blacklist":[],"maxPathSize":30,"suffixWhitelist":[".h",".hpp",".hh",".inc"],"whitelist":[]},"maxNum":100,"placeholder":true},"diagnostics":{"blacklist":[],"onChange":1000,"onOpen":0,"onSave":0,"spellChecking":true,"whitelist":[]},"highlight":{"largeFileSize":2097152,"lsRanges":false,"blacklist":[],"whitelist":[]},"index":{"blacklist":[],"comments":2,"initialNoLinkage":false,"initialBlacklist":[],"initialWhitelist":[],"maxInitializerLines":5,"multiVersion":0,"multiVersionBlacklist":[],"multiVersionWhitelist":[],"name":{"suppressUnwrittenScope":false},"onChange":false,"parametersInDeclarations":true,"threads":0,"trackDependency":2,"whitelist":[]},"request":{"timeout":5000},"session":{"maxNum":10},"workspaceSymbol":{"caseSensitivity":1,"maxNum":1000,"sort":true},"xref":{"maxNum":2000}}
14:30:54 ccls           initialize.cc:329 I use -resource-dir=/usr/lib/llvm-11/lib/clang/11.0.1
14:30:54 ccls           initialize.cc:361 I workspace folder: /home/pi/src/arduino-433/
ccls: malloc.c:4036: _int_malloc: Assertion `(unsigned long) (size) >= (unsigned long) (nb)' failed.

MaskRay / ccls