doc: Clarify that ffile-prefix-map applies to fcoverage-prefix-map, too [NFC]

[maflcko]

No description provided.

[llvmbot]

@llvm/pr-subscribers-clang

Author: None (maflcko)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/117135.diff

1 Files Affected:

• (modified) clang/include/clang/Driver/Options.td (+1-1)

diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 5167c3c39e315a..01a3ad0943b4cc 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -4405,7 +4405,7 @@ def fcoverage_prefix_map_EQ
     HelpText<"remap file source paths <old> to <new> in coverage mapping. If there are multiple options, prefix replacement is applied in reverse order starting from the last one">;
 def ffile_prefix_map_EQ
   : Joined<["-"], "ffile-prefix-map=">, Group<f_Group>,
-    HelpText<"remap file source paths in debug info, predefined preprocessor "
+    HelpText<"remap file source paths in debug info, coverage mapping, predefined preprocessor "
              "macros and __builtin_FILE(). Implies -ffile-reproducible.">;
 def fmacro_prefix_map_EQ
   : Joined<["-"], "fmacro-prefix-map=">, Group<f_Group>,

[maflcko]

I think this was just forgotten when the option was introduced initially in c332445 (under a different name)

[keith]

thanks!