[app] push source position error when expat fails to parse a file due… #52

Job	Run time
macOS Build (Debug)	2m 42s
Windows Build (Debug, x86)	3m 9s
macOS Build (Release)	3m 13s
Linux Build (Debug, x86, gcc)	1m 47s
Windows Build (Debug, amd64)	3m 0s
Linux Build (Debug, x86, clang)	1m 33s
Windows Build (Release, x86)	3m 18s
Windows Build (Release, amd64)	3m 59s
Linux Build (Debug, amd64, gcc)	1m 33s
Linux Build (Debug, amd64, clang)	1m 12s
Linux Build (Release, x86, gcc)	2m 5s
Linux Build (Release, x86, clang)	1m 41s
Linux Build (Release, amd64, gcc)	3m 34s
Linux Build (Release, amd64, clang)	1m 40s
	34m 26s

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