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Co-authored-by: Shuhei Kadowaki <[email protected]>

Author: vtjnash

base/compiler/utilities.jl

@@ -441,7 +441,7 @@ end
 function find_ssavalue_uses!(e::PhiNode, uses::Vector{BitSet}, line::Int)
     values = e.values
     for i = 1:length(values)
-        isassigned(values) || continue
+        isassigned(values, i) || continue
         val = values[i]
         if isa(val, SSAValue)
             push!(uses[val.id], line)

test/compiler/interpreter_exec.jl

@@ -23,6 +23,7 @@ let m = Meta.@lower 1 + 1
     src.ssavaluetypes = nstmts
     src.ssaflags = fill(UInt8(0x00), nstmts)
     src.codelocs = fill(Int32(1), nstmts)
+    @assert !src.inferred
     Core.Compiler.verify_ir(Core.Compiler.inflate_ir(src))
     global test29262 = true
     @test :a === @eval $m