Some more 1.12 compat (#625)

Just what I happned to see driving by.

Author: Keno

src/utils.jl

@@ -296,8 +296,8 @@ end
 
 @static if VERSION ≥ v"1.12.0-DEV.173"
 
-function getlastline(arg)
-    debuginfo = linetable(arg)
+getlastline(arg) = getlastline(linetable(arg))
+function getlastline(debuginfo::Core.DebugInfo)
     while true
         ltnext = debuginfo.linetable
         ltnext === nothing && break

test/debug.jl

@@ -146,7 +146,8 @@ end
             cframe, pc = debug_command(frame, :sg)
             # Aside: generators can have `Expr(:line, ...)` in their line tables, test that this is OK
             lt = JuliaInterpreter.linetable(cframe, 2)
-            @test isexpr(lt, :line) || isa(lt, Core.LineInfoNode)
+            @test isexpr(lt, :line) || isa(lt, Core.LineInfoNode) ||
+                (isdefined(Base.IRShow, :LineInfoNode) && isa(lt, Base.IRShow.LineInfoNode))
             @test isa(pc, BreakpointRef)
             @test JuliaInterpreter.scopeof(cframe).name === :generatedfoo
             cframe, pc = debug_command(cframe, :finish)

test/utils.jl

@@ -31,9 +31,15 @@ end
 
 ## For running interpreter frames under resource limitations
 
+if isdefined(Base.IRShow, :LineInfoNode)
+struct Aborted    # for signaling that some statement or test blocks were interrupted
+    at::Base.IRShow.LineInfoNode
+end
+else
 struct Aborted    # for signaling that some statement or test blocks were interrupted
     at::Core.LineInfoNode
 end
+end
 
 function Aborted(frame::Frame, pc)
     lineidx = JuliaInterpreter.codelocs(frame, pc)