[PATCH] D98873: Document -fcrash-diagnostics-dir

[Paul Robinson via Phabricator via cfe-commits]

probinson created this revision.
probinson added a reviewer: hans.
Herald added subscribers: jansvoboda11, dang.
probinson requested review of this revision.
Herald added a project: clang.

This was added in LLVM 7.0 but without help text or other docs.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D98873

Files:
  clang/docs/UsersManual.rst
  clang/include/clang/Driver/Options.td


Index: clang/include/clang/Driver/Options.td
===================================================================
--- clang/include/clang/Driver/Options.td
+++ clang/include/clang/Driver/Options.td
@@ -1277,7 +1277,9 @@
                                     Group<f_Group>;
 def fno_crash_diagnostics : Flag<["-"], "fno-crash-diagnostics">, Group<f_clang_Group>, Flags<[NoArgumentUnused, CoreOption]>,
   HelpText<"Disable auto-generation of preprocessed source files and a script for reproduction during a clang crash">;
-def fcrash_diagnostics_dir : Joined<["-"], "fcrash-diagnostics-dir=">, Group<f_clang_Group>, Flags<[NoArgumentUnused, CoreOption]>;
+def fcrash_diagnostics_dir : Joined<["-"], "fcrash-diagnostics-dir=">,
+  Group<f_clang_Group>, Flags<[NoArgumentUnused, CoreOption]>,
+  HelpText<"Put crash-report files in <dir>">, MetaVarName<"<dir>">;
 def fcreate_profile : Flag<["-"], "fcreate-profile">, Group<f_Group>;
 defm cxx_exceptions: BoolFOption<"cxx-exceptions",
   LangOpts<"CXXExceptions">, DefaultFalse,
Index: clang/docs/UsersManual.rst
===================================================================
--- clang/docs/UsersManual.rst
+++ clang/docs/UsersManual.rst
@@ -674,6 +674,11 @@
 The -fno-crash-diagnostics flag can be helpful for speeding the process
 of generating a delta reduced test case.
 
+.. option:: -fcrash-diagnostics-dir=<dir>
+
+  Specify where to write the crash diagnostics files; defaults to the
+  usual location for temporary files.
+
 Clang is also capable of generating preprocessed source file(s) and associated
 run script(s) even without a crash. This is specially useful when trying to
 generate a reproducer for warnings or errors while using modules.
@@ -3629,6 +3634,8 @@
       -fcomplete-member-pointers
                               Require member pointer base types to be complete if they would be significant under the Microsoft ABI
       -fcoverage-mapping      Generate coverage mapping to enable code coverage analysis
+      -fcrash-diagnostics-dir=<dir>
+                              Put crash-report files in <dir>
       -fdebug-macro           Emit macro debug information
       -fdelayed-template-parsing
                               Parse templated function definitions at the end of the translation unit


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