https://ibm-z-software-portal.ideas.ibm.com/ideas/COBOLVUE-I-298
Compiler Directives | IBM Z Software
compiler directivesibm zsoftware
https://bugzilla.mozilla.org/show_bug.cgi?id=665710
665710 - Invalid compiler directives OPT:REF and OPT:ICF passed to MSVC
RESOLVED (nobody) in Core - js-ctypes. Last updated 2011-07-06.
compiler directivesinvalidopt
https://www.intel.com/content/www/us/en/docs/fortran-compiler/developer-guide-reference/2025-0/language-extensions-compiler-directives.html
Language Extensions: Compiler Directives
languageextensionscompilerdirectives
https://nl.mathworks.com/help/hdlcoder/ref/useverilogorsystemverilogtimescaledirectives.html
Use Verilog or SystemVerilog `timescale directives - Use compiler directives in generated Verilog...
Specify use of compiler `timescale directives in generated Verilog or SystemVerilog code.
useverilogtimescaledirectivescompiler