llvm-project/llvm/test/tools/llvm-cov/Inputs/showExpansions.json

CHECK: {"expansions":
CHECK:    "filenames":["{{[^"]+}}showExpansions.cpp",
CHECK:    "source_region":[24,5,24,17,100,0,1,1],
CHECK:    "filename":"{{[^"]+}}showExpansions.cpp",