[libcxx] r198698 - Replace casts of __impl_ with the correct reinterpret_cast of the

[Joerg Sonnenberger]

Author: joerg
Date: Tue Jan  7 13:21:13 2014
New Revision: 198698

URL: http://llvm.org/viewvc/llvm-project?rev=198698&view=rev
Log:
Replace casts of __impl_ with the correct reinterpret_cast of the
address. Restores the assembly of before r198504.

Modified:
    libcxx/trunk/src/stdexcept.cpp

Modified: libcxx/trunk/src/stdexcept.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/src/stdexcept.cpp?rev=198698&r1=198697&r2=198698&view=diff
==============================================================================
--- libcxx/trunk/src/stdexcept.cpp (original)
+++ libcxx/trunk/src/stdexcept.cpp Tue Jan  7 13:21:13 2014
@@ -102,28 +102,28 @@ namespace std  // purposefully not using
 
 logic_error::logic_error(const string& msg)
 {
-    __libcpp_nmstr *s = static_cast<__libcpp_nmstr *>(__imp_);
+    __libcpp_nmstr *s = reinterpret_cast<__libcpp_nmstr *>(&__imp_);
     ::new(s) __libcpp_nmstr(msg.c_str());
 }
 
 logic_error::logic_error(const char* msg)
 {
-    __libcpp_nmstr *s = static_cast<__libcpp_nmstr *>(__imp_);
+    __libcpp_nmstr *s = reinterpret_cast<__libcpp_nmstr *>(&__imp_);
     ::new(s) __libcpp_nmstr(msg);
 }
 
 logic_error::logic_error(const logic_error& le) _NOEXCEPT
 {
-    __libcpp_nmstr *s = static_cast<__libcpp_nmstr *>(__imp_);
-    const __libcpp_nmstr *s2 = static_cast<const __libcpp_nmstr *>(le.__imp_);
+    __libcpp_nmstr *s = reinterpret_cast<__libcpp_nmstr *>(&__imp_);
+    const __libcpp_nmstr *s2 = reinterpret_cast<const __libcpp_nmstr *>(&le.__imp_);
     ::new(s) __libcpp_nmstr(*s2);
 }
 
 logic_error&
 logic_error::operator=(const logic_error& le) _NOEXCEPT
 {
-    __libcpp_nmstr *s1 = static_cast<__libcpp_nmstr *>(__imp_);
-    const __libcpp_nmstr *s2 = static_cast<const __libcpp_nmstr *>(le.__imp_);
+    __libcpp_nmstr *s1 = reinterpret_cast<__libcpp_nmstr *>(&__imp_);
+    const __libcpp_nmstr *s2 = reinterpret_cast<const __libcpp_nmstr *>(&le.__imp_);
     *s1 = *s2;
     return *this;
 }
@@ -132,14 +132,14 @@ logic_error::operator=(const logic_error
 
 logic_error::~logic_error() _NOEXCEPT
 {
-    __libcpp_nmstr *s = static_cast<__libcpp_nmstr *>(__imp_);
+    __libcpp_nmstr *s = reinterpret_cast<__libcpp_nmstr *>(&__imp_);
     s->~__libcpp_nmstr();
 }
 
 const char*
 logic_error::what() const _NOEXCEPT
 {
-    __libcpp_nmstr *s = static_cast<__libcpp_nmstr *>(__imp_);
+    const __libcpp_nmstr *s = reinterpret_cast<const __libcpp_nmstr *>(&__imp_);
     return s->c_str();
 }
 
@@ -147,28 +147,28 @@ logic_error::what() const _NOEXCEPT
 
 runtime_error::runtime_error(const string& msg)
 {
-    __libcpp_nmstr *s = static_cast<__libcpp_nmstr *>(__imp_);
+    __libcpp_nmstr *s = reinterpret_cast<__libcpp_nmstr *>(&__imp_);
     ::new(s) __libcpp_nmstr(msg.c_str());
 }
 
 runtime_error::runtime_error(const char* msg)
 {
-    __libcpp_nmstr *s = static_cast<__libcpp_nmstr *>(__imp_);
+    __libcpp_nmstr *s = reinterpret_cast<__libcpp_nmstr *>(&__imp_);
     ::new(s) __libcpp_nmstr(msg);
 }
 
 runtime_error::runtime_error(const runtime_error& le) _NOEXCEPT
 {
-    __libcpp_nmstr *s = static_cast<__libcpp_nmstr *>(__imp_);
-    const __libcpp_nmstr *s2 = static_cast<const __libcpp_nmstr *>(le.__imp_);
+    __libcpp_nmstr *s = reinterpret_cast<__libcpp_nmstr *>(&__imp_);
+    const __libcpp_nmstr *s2 = reinterpret_cast<const __libcpp_nmstr *>(&le.__imp_);
     ::new(s) __libcpp_nmstr(*s2);
 }
 
 runtime_error&
 runtime_error::operator=(const runtime_error& le) _NOEXCEPT
 {
-    __libcpp_nmstr *s1 = static_cast<__libcpp_nmstr *>(__imp_);
-    const __libcpp_nmstr *s2 = static_cast<const __libcpp_nmstr *>(le.__imp_);
+    __libcpp_nmstr *s1 = reinterpret_cast<__libcpp_nmstr *>(&__imp_);
+    const __libcpp_nmstr *s2 = reinterpret_cast<const __libcpp_nmstr *>(&le.__imp_);
     *s1 = *s2;
     return *this;
 }
@@ -177,14 +177,14 @@ runtime_error::operator=(const runtime_e
 
 runtime_error::~runtime_error() _NOEXCEPT
 {
-    __libcpp_nmstr *s = static_cast<__libcpp_nmstr *>(__imp_);
+    __libcpp_nmstr *s = reinterpret_cast<__libcpp_nmstr *>(&__imp_);
     s->~__libcpp_nmstr();
 }
 
 const char*
 runtime_error::what() const _NOEXCEPT
 {
-    __libcpp_nmstr *s = static_cast<__libcpp_nmstr *>(__imp_);
+    const __libcpp_nmstr *s = reinterpret_cast<const __libcpp_nmstr *>(&__imp_);
     return s->c_str();
 }