Enable / silence -Wunused-parameter.

llvm-svn: 152415

3 files changed, 10 insertions, 9 deletions

diff --git a/libcxxabi/src/cxa_demangle.cpp b/libcxxabi/src/cxa_demangle.cpp
index 95a873a89a9d..fca38c4f9a1c 100644
--- a/libcxxabi/src/cxa_demangle.cpp
+++ b/libcxxabi/src/cxa_demangle.cpp
@@ -79,7 +79,7 @@ public:
         return get_demangled_name(buf);
     }
 
-    virtual bool ends_with_template(bool parsing = false) const
+    virtual bool ends_with_template(bool /*parsing*/ = false) const
     {
         return false;
     }
@@ -3883,7 +3883,7 @@ public:
         *buf++ = '>';
         return buf;
     }
-    virtual bool ends_with_template(bool parsing = false) const
+    virtual bool ends_with_template(bool /*parsing*/ = false) const
     {
         return true;
     }
@@ -5792,7 +5792,7 @@ public:
         return __left_->fix_forward_references(t_begin, t_end) &&
                __right_->fix_forward_references(t_begin, t_end);
     }
-    virtual __node* extract_cv(__node*& rt) const
+    virtual __node* extract_cv(__node*&) const
     {
         return __right_->extract_cv(const_cast<__node*&>(__right_));
     }
@@ -5860,7 +5860,7 @@ public:
             r = __left_->fix_forward_references(t_begin, t_end);
         return r && __right_->fix_forward_references(t_begin, t_end);
     }
-    virtual __node* extract_cv(__node*& rt) const
+    virtual __node* extract_cv(__node*&) const
     {
         return __right_->extract_cv(const_cast<__node*&>(__right_));
     }
@@ -6926,7 +6926,7 @@ __demangle_tree::__parse_ctor_dtor_name(const char* first, const char* last)
 }
 
 const char*
-__demangle_tree::__parse_unscoped_template_name(const char* first, const char* last)
+__demangle_tree::__parse_unscoped_template_name(const char* first, const char*)
 {
 //    assert(!"__parse_unscoped_template_name not implemented");
     __status_ = not_yet_implemented;
diff --git a/libcxxabi/src/cxa_personality.cpp b/libcxxabi/src/cxa_personality.cpp
index 3a132933d68b..44cde2700c12 100644
--- a/libcxxabi/src/cxa_personality.cpp
+++ b/libcxxabi/src/cxa_personality.cpp
@@ -527,6 +527,9 @@ scan_eh_tab(scan_results& results, _Unwind_Action actions, bool native_exception
     // Walk call-site table looking for range that 
     // includes current PC. 
     uint8_t callSiteEncoding = *lsda++;
+#if __arm__
+    (void)callSiteEncoding;  // On arm callSiteEncoding is never used
+#endif
     uint32_t callSiteTableLength = static_cast<uint32_t>(readULEB128(&lsda));
     const uint8_t* callSiteTableStart = lsda;
     const uint8_t* callSiteTableEnd = callSiteTableStart + callSiteTableLength;
diff --git a/libcxxabi/src/private_typeinfo.cpp b/libcxxabi/src/private_typeinfo.cpp
index 8fa7975a517a..04ce90133767 100644
--- a/libcxxabi/src/private_typeinfo.cpp
+++ b/libcxxabi/src/private_typeinfo.cpp
@@ -123,8 +123,7 @@ __fundamental_type_info::can_catch(const __shim_type_info* thrown_type,
 }
 
 bool
-__array_type_info::can_catch(const __shim_type_info* thrown_type,
-                             void*&) const
+__array_type_info::can_catch(const __shim_type_info*, void*&) const
 {
     // We can get here if someone tries to catch an array by reference.
     //   However if someone tries to throw an array, it immediately gets
@@ -134,8 +133,7 @@ __array_type_info::can_catch(const __shim_type_info* thrown_type,
 }
 
 bool
-__function_type_info::can_catch(const __shim_type_info* thrown_type,
-                                void*&) const
+__function_type_info::can_catch(const __shim_type_info*, void*&) const
 {
     // We can get here if someone tries to catch a function by reference.
     //   However if someone tries to throw a function, it immediately gets