change to loop and add test

Author: KristofferC

Compiler/src/optimize.jl

@@ -1040,8 +1040,17 @@ function run_passes_ipo_safe(
     sv::OptimizationState,
     optimize_until::Union{Nothing, Int, String} = nothing,  # run all passes by default
 )
-    if optimize_until isa String && !(optimize_until in ALL_PASS_NAMES)
-        error("invalid `optimize_until` argument, no such optimization pass")
+    if optimize_until isa String
+        found_pass = false
+        for pass in ALL_PASS_NAMES
+            if optimize_until == pass
+                found_pass = true
+                break
+            end
+        end
+        if !found_pass
+            error("invalid `optimize_until` argument, no such optimization pass")
+        end
     end
 
     __stage__ = 0  # used by @pass

Compiler/test/ssair.jl

@@ -821,3 +821,5 @@ let cl = Int32[32, 1, 1, 1000, 240, 230]
     cl2 = ccall(:jl_uncompress_codelocs, Any, (Any, Int), str, 2)
     @test cl == cl2
 end
+
+@test_throws ErrorException Base.code_ircode(+, (Float64, Float64); optimize_until = "nonexisting pass name")