Add missing import.

Author: icmccorm

compiler/rustc_interface/src/tests.rs

@@ -10,9 +10,9 @@ use rustc_errors::ColorConfig;
 use rustc_errors::emitter::HumanReadableErrorType;
 use rustc_hir::attrs::{CollapseMacroDebuginfo, NativeLibKind};
 use rustc_session::config::{
-    AnnotateMoves, AutoDiff, BranchProtection, CFGuard, Cfg, CoverageLevel, CoverageOptions,
-    DebugInfo, DumpMonoStatsFormat, ErrorOutputType, ExternEntry, ExternLocation, Externs,
-    FmtDebug, FunctionReturn, IncrementalStateAssertion, InliningThreshold, Input,
+    AnnotateMoves, AutoDiff, BranchProtection, CFGuard, Cfg, CodegenRetagOptions, CoverageLevel,
+    CoverageOptions, DebugInfo, DumpMonoStatsFormat, ErrorOutputType, ExternEntry, ExternLocation,
+    Externs, FmtDebug, FunctionReturn, IncrementalStateAssertion, InliningThreshold, Input,
     InstrumentCoverage, InstrumentXRay, LinkSelfContained, LinkerPluginLto, LocationDetail, LtoCli,
     MirIncludeSpans, NextSolverConfig, Offload, Options, OutFileName, OutputType, OutputTypes,
     PAuthKey, PacRet, Passes, PatchableFunctionEntry, Polonius, ProcMacroExecutionStrategy, Strip,