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-rw-r--r--compiler/rustc_session/src/config.rs2
-rw-r--r--compiler/rustc_session/src/options.rs2
2 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
index 1f9d6340171..dcc2d9db614 100644
--- a/compiler/rustc_session/src/config.rs
+++ b/compiler/rustc_session/src/config.rs
@@ -2091,7 +2091,7 @@ fn parse_libs(matches: &getopts::Matches, error_format: ErrorOutputType) -> Vec<
         .map(|s| {
             // Parse string of the form "[KIND[:MODIFIERS]=]lib[:new_name]",
             // where KIND is one of "dylib", "framework", "static", "link-arg" and
-            // where MODIFIERS are  a comma separated list of supported modifiers
+            // where MODIFIERS are a comma separated list of supported modifiers
             // (bundle, verbatim, whole-archive, as-needed). Each modifier is prefixed
             // with either + or - to indicate whether it is enabled or disabled.
             // The last value specified for a given modifier wins.
diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs
index b062b43873b..7b5fd6cc2a8 100644
--- a/compiler/rustc_session/src/options.rs
+++ b/compiler/rustc_session/src/options.rs
@@ -1411,6 +1411,8 @@ options! {
         "what location details should be tracked when using caller_location, either \
         `none`, or a comma separated list of location details, for which \
         valid options are `file`, `line`, and `column` (default: `file,line,column`)"),
+    log_backtrace: Option<String> = (None, parse_opt_string, [TRACKED],
+        "add a backtrace along with logging"),
     ls: bool = (false, parse_bool, [UNTRACKED],
         "list the symbols defined by a library crate (default: no)"),
     macro_backtrace: bool = (false, parse_bool, [UNTRACKED],