refactor: simplify needs_gdb_debug_scripts_section

Author: japaric

src/librustc_back/target/apple_base.rs

@@ -47,6 +47,7 @@ pub fn opts() -> TargetOptions {
         exe_allocation_crate: super::maybe_jemalloc(),
         has_elf_tls: version >= (10, 7),
         abi_return_struct_as_int: true,
+        emit_debug_gdb_scripts: false,
         .. Default::default()
     }
 }

src/librustc_back/target/windows_base.rs

@@ -102,6 +102,7 @@ pub fn opts() -> TargetOptions {
         ],
         custom_unwind_resume: true,
         abi_return_struct_as_int: true,
+        emit_debug_gdb_scripts: false,
 
         .. Default::default()
     }

src/librustc_back/target/windows_msvc_base.rs

@@ -34,6 +34,7 @@ pub fn opts() -> TargetOptions {
         crt_static_allows_dylibs: true,
         crt_static_respected: true,
         abi_return_struct_as_int: true,
+        emit_debug_gdb_scripts: false,
 
         .. Default::default()
     }

src/librustc_trans/debuginfo/gdb.rs

@@ -83,8 +83,6 @@ pub fn needs_gdb_debug_scripts_section(cx: &CodegenCx) -> bool {
                             "omit_gdb_pretty_printer_section");
 
     !omit_gdb_pretty_printer_section &&
-    !cx.sess().target.target.options.is_like_osx &&
-    !cx.sess().target.target.options.is_like_windows &&
     cx.sess().opts.debuginfo != NoDebugInfo &&
     cx.sess().target.target.options.emit_debug_gdb_scripts
 }