RT-dev: Canon CR3 files rendered white in edit window

[KarlMagnusLarsson]

Short description
Canon CR3 files rendered white in edit window when opened.

Steps to reproduce
1: git clone https://github.com/Beep6581/RawTherapee.git
2: build RT from source
3: run RT and open attached CR3 file in edit window: example-file (Canon R5)
4: RT Edit window renders a white frame.

Expected behavior
It should be a rendering of the photo.

Additional information

• Version of RawTherapee: 5.8-3000-g7e36240f3
• Version of your operating system: Debian testing Bullseye Linux debian 5.10.0-7-amd64 Out of tree build is not working #1 SMP Debian 5.10.40-1 (2021-05-28) x86_64 GNU/Linux
• If you built from source, the contents of the AboutThisBuild.txt file in the installation folder
  Version: 5.8-3000-g7e36240f3
  Branch: dev
  Commit: 7e36240
  Commit date: 2021-06-21
  Compiler: cc 10.2.1
  Processor: x86_64
  System: Linux
  Bit depth: 64 bits
  Gtkmm: V3.24.2
  Lensfun: V0.3.2.0
  Build type: release
  Build flags: -std=c++11 -march=native -Werror=unused-label -Werror=delete-incomplete -fno-math-errno -Wno-attributes -Wall -Wuninitialized -Wcast-qual -Wno-deprecated-declarations -Wno-unused-result -Wunused-macros -fopenmp -Werror=unknown-pragmas -O3 -DNDEBUG -ftree-vectorize
  Link flags: -march=native
  OpenMP support: ON
  MMAP support: ON
  Build OS: Linux 5.10.0-7-amd64 x86_64
  Build date: Mon, 21 Jun 2021 18:06:13 +0000 UTC
  Build epoch: 1624298773
  Build UUID:

Other useful information:
The error is probably introduced at commit 7e36240.
If I checkout the commit before; commit 31e178a and rebuild, then everything is fine (5.8-2999-g31e178a4d).

[gaaned92]

@Thanatomanic
Confirmed. Could it be a syntax error?

[Thanatomanic]

Thanks for reporting @KarlMagnusLarsson. @gaaned92 has the right idea, it was a single comma...