Remove -Z no-landing-pads flag

Author: Amanieu

src/librustc_interface/tests.rs

@@ -546,7 +546,6 @@ fn test_debugging_options_tracking_hash() {
     tracked!(new_llvm_pass_manager, true);
     tracked!(no_codegen, true);
     tracked!(no_generate_arange_section, true);
-    tracked!(no_landing_pads, true);
     tracked!(no_link, true);
     tracked!(no_profiler_runtime, true);
     tracked!(osx_rpath_install_name, true);

src/librustc_session/options.rs

@@ -878,8 +878,6 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
         "omit DWARF address ranges that give faster lookups"),
     no_interleave_lints: bool = (false, parse_no_flag, [UNTRACKED],
         "execute lints separately; allows benchmarking individual lints"),
-    no_landing_pads: bool = (false, parse_no_flag, [TRACKED],
-        "omit landing pads for unwinding"),
     no_leak_check: bool = (false, parse_no_flag, [UNTRACKED],
         "disable the 'leak check' for subtyping; unsound, but useful for tests"),
     no_link: bool = (false, parse_no_flag, [TRACKED],

src/librustc_session/session.rs

@@ -541,7 +541,7 @@ impl Session {
     }
 
     pub fn no_landing_pads(&self) -> bool {
-        self.opts.debugging_opts.no_landing_pads || self.panic_strategy() == PanicStrategy::Abort
+        self.panic_strategy() == PanicStrategy::Abort
     }
     pub fn unstable_options(&self) -> bool {
         self.opts.debugging_opts.unstable_options

src/test/mir-opt/generator-tiny.rs

@@ -1,7 +1,7 @@
 //! Tests that generators that cannot return or unwind don't have unnecessary
 //! panic branches.
 
-// compile-flags: -Zno-landing-pads
+// compile-flags: -C panic=abort
 
 #![feature(generators, generator_trait)]
 

src/test/run-fail/mir_codegen_no_landing_pads.rs

@@ -1,4 +1,4 @@
-// compile-flags: -Z no-landing-pads -C codegen-units=1
+// compile-flags: -C panic=abort -C codegen-units=1
 // error-pattern:converging_fn called
 // ignore-cloudabi no std::process
 

src/test/run-fail/mir_codegen_no_landing_pads_diverging.rs

@@ -1,4 +1,4 @@
-// compile-flags: -Z no-landing-pads -C codegen-units=1
+// compile-flags: -C panic=abort -C codegen-units=1
 // error-pattern:diverging_fn called
 // ignore-cloudabi no std::process