diff --git a/compiler/ras/LimitFile.cpp b/compiler/ras/LimitFile.cpp index a3a279f4b69..c141a6fee0b 100644 --- a/compiler/ras/LimitFile.cpp +++ b/compiler/ras/LimitFile.cpp @@ -1326,7 +1326,12 @@ TR_Debug::methodSigCanBeCompiledOrRelocated(const char *methodSig, TR_FilterBST { if (compOrReloFilter->excludedMethodFilter) { - // Excluded methods SHOULD be compiled in this case. + // The -Xjit:ifExcluded(...) option set is used to set alternate compile options for methods + // that are excluded from compilation. This can be useful for debugging timing-sensitive + // optimization bugs where dropping optimization levels can make problems go away. + // + // If there is an excludedMethodFilter set then excluded methods should be compiled + // using that option set. // found = true; filter = compOrReloFilter->excludedMethodFilter;