Add wasm stubs for file I/O instructions

11 jobs for file-io in 7 minutes and 12 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #65807
build

00:00:42

passed #65808
build-clang

00:00:40

passed #65810
build-wasm

00:00:22

passed #65809
build-windows

00:00:25

 
  Test Interpreter
passed #65813
benchmark-wasm

00:04:57

passed #65811
benchmark-x64

00:05:02

failed #65812
benchmark-x86

00:00:41

 
  Test Interworking
skipped #65815
interworking-GraphCopy
skipped #65816
interworking-GraphCopy-clang
skipped #65814
interworking-Start
 
  Examples
skipped #65817
examples
 
Name Stage Failure
failed
benchmark-x86 Test Interpreter
                         ^
interpret_instructions.h:13159:34: error: format '%lg' expects argument of type 'double *', but argument 3 has type 'float *' [-Werror=format=]
bsp[0]=fscanf(f->file_handle,"%lg",(BC_REAL*)&bsp[1])==1;
^
cc1: all warnings being treated as errors
make: *** [interpret] Error 1
Makefile:158: recipe for target 'interpret' failed
make: Leaving directory '/builds/clean-and-itasks/abc-interpreter/src'
ERROR: Job failed: exit code 1