main: List -f(no-)builtin as per-module options.

Contributes to #23424.

Author: alexrp

src/main.zig

@@ -471,8 +471,6 @@ const usage_build_generic =
     \\  -fno-dll-export-fns       Force-disable marking exported functions as DLL exports
     \\  -freference-trace[=num]   Show num lines of reference trace per compile error
     \\  -fno-reference-trace      Disable reference trace
-    \\  -fbuiltin                 Enable implicit builtin knowledge of functions
-    \\  -fno-builtin              Disable implicit builtin knowledge of functions
     \\  -ffunction-sections       Places each function in a separate section
     \\  -fno-function-sections    All functions go into same section
     \\  -fdata-sections           Places each data in a separate section
@@ -534,6 +532,8 @@ const usage_build_generic =
     \\  -fno-sanitize-thread      Disable Thread Sanitizer
     \\  -ffuzz                    Enable fuzz testing instrumentation
     \\  -fno-fuzz                 Disable fuzz testing instrumentation
+    \\  -fbuiltin                 Enable implicit builtin knowledge of functions
+    \\  -fno-builtin              Disable implicit builtin knowledge of functions
     \\  -funwind-tables           Always produce unwind table entries for all functions
     \\  -fasync-unwind-tables     Always produce asynchronous unwind table entries for all functions
     \\  -fno-unwind-tables        Never produce unwind table entries