Many opcode are not actual statements, but opcodes for declaring types, decorations, capabilities, etc. Single line stepping over these is pointless as they do not actually do anything at execution time.

Just ignore them.

Bug: b/148778720
Change-Id: I0f55fe4b7308f33119dcea4012bc837c375ad5c3
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/40830
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Tested-by: Ben Clayton <bclayton@google.com>