hlsl.do.nested.error.frag
ERROR: 0:3: 'resurn' : unknown variable 
ERROR: 0:3: ';' : Expected 
ERROR: 0:3: 'do sub-statement' : Expected 
ERROR: 0:8: '' : 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!
0:2  Function Definition: S::m( ( temp void)
0:2    Function Parameters: 
0:2      '@this' ( temp structure{})
0:?     Sequence
0:3      Constant:
0:3        true (const bool)
0:8  Function Definition: @main( ( temp 4-component vector of float)
0:8    Function Parameters: 
0:8  Function Definition: main( ( temp void)
0:8    Function Parameters: 
0:?     Sequence
0:8      move second child to first child ( temp 4-component vector of float)
0:?         '@entryPointOutput' (layout( location=0) out 4-component vector of float)
0:8        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!
0:2  Function Definition: S::m( ( temp void)
0:2    Function Parameters: 
0:2      '@this' ( temp structure{})
0:?     Sequence
0:3      Constant:
0:3        true (const bool)
0:8  Function Definition: @main( ( temp 4-component vector of float)
0:8    Function Parameters: 
0:8  Function Definition: main( ( temp void)
0:8    Function Parameters: 
0:?     Sequence
0:8      move second child to first child ( temp 4-component vector of float)
0:?         '@entryPointOutput' (layout( location=0) out 4-component vector of float)
0:8        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