GFX: eliminate use of goto #452

Job	Run time
code formatting check	26s
cppcheck	18m 36s
min features with gcc	2m 17s
min features with g++	2m 25s
min features with clang	2m 44s
max features with gcc	2m 56s
max features with g++	2m 35s
max features with clang	3m 40s
max features with clang and AddressSanitized	3m 26s
max features with gcc and DEBUG	2m 3s
max features with gcc for 32-bit arch (legacy OS)	1m 43s
max features with g++ for 32-bit arch (legacy OS)	1m 32s
max features with clang for 32-bit arch (legacy OS)	1m 47s
	46m 10s

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