hlsl.nested.name.error.frag
ERROR: 0:4: 'resurn' : unknown variable 
ERROR: 0:4: ';' : Expected 
ERROR: 0:4: 'm3' : no matching overloaded function found 
ERROR: 0:9: '' : function does not return a value: @main
ERROR: 4 compilation errors.  No code generated.


Shader version: 500
gl_FragCoord origin is upper left
ERROR: node is still EOpNull!
0:3  Function Definition: S::m( ( temp void)
0:3    Function Parameters: 
0:3      '@this' ( temp structure{})
0:?     Sequence
0:4      Constant:
0:4        0.000000
0:9  Function Definition: @main( ( temp 4-component vector of float)
0:9    Function Parameters: 
0:9  Function Definition: main( ( temp void)
0:9    Function Parameters: 
0:?     Sequence
0:9      move second child to first child ( temp 4-component vector of float)
0:?         '@entryPointOutput' (layout( location=0) out 4-component vector of float)
0:9        Function Call: @main( ( temp 4-component vector of float)
0:?   Linker Objects
0:?     '@entryPointOutput' (layout( location=0) out 4-component vector of float)


Linked fragment stage:


Shader version: 500
gl_FragCoord origin is upper left
ERROR: node is still EOpNull!
0:3  Function Definition: S::m( ( temp void)
0:3    Function Parameters: 
0:3      '@this' ( temp structure{})
0:?     Sequence
0:4      Constant:
0:4        0.000000
0:9  Function Definition: @main( ( temp 4-component vector of float)
0:9    Function Parameters: 
0:9  Function Definition: main( ( temp void)
0:9    Function Parameters: 
0:?     Sequence
0:9      move second child to first child ( temp 4-component vector of float)
0:?         '@entryPointOutput' (layout( location=0) out 4-component vector of float)
0:9        Function Call: @main( ( temp 4-component vector of float)
0:?   Linker Objects
0:?     '@entryPointOutput' (layout( location=0) out 4-component vector of float)

SPIR-V is not generated for failed compile or link