msvcp90: Don't use throw_exception helper for length_error exception.

dlls/msvcp60/msvcp.h

@@ -485,4 +485,5 @@ typedef struct {
 } complex_double;
 
 void WINAPI DECLSPEC_NORETURN _CxxThrowException(void*,const cxx_exception_type*);
+void __cdecl DECLSPEC_NORETURN _Xlength_error(const char*);
 void __cdecl DECLSPEC_NORETURN _Xmem(void);

dlls/msvcp60/string.c

@@ -55,10 +55,8 @@ void __cdecl _Xran(void)
 /* ?_Xlen@std@@YAXXZ */
 void __cdecl _Xlen(void)
 {
-    static const char msg[] = "string too long";
-
     TRACE("\n");
-    throw_exception(EXCEPTION_LENGTH_ERROR, msg);
+    _Xlength_error("string too long");
 }
 
 /* ?compare@?$char_traits@D@std@@SAHPBD0I@Z */

dlls/msvcp90/cxx.h

@@ -319,7 +319,6 @@ typedef enum __exception_type {
     EXCEPTION,
     EXCEPTION_BAD_CAST,
     EXCEPTION_LOGIC_ERROR,
-    EXCEPTION_LENGTH_ERROR,
     EXCEPTION_OUT_OF_RANGE,
     EXCEPTION_INVALID_ARGUMENT,
     EXCEPTION_RUNTIME_ERROR,

dlls/msvcp90/exception.c

@@ -898,10 +898,15 @@ void __cdecl _Xinvalid_argument(const char *str)
 
 /* ?_Xlength_error@std@@YAXPBD@Z */
 /* ?_Xlength_error@std@@YAXPEBD@Z */
-void __cdecl _Xlength_error(const char *str)
+void __cdecl DECLSPEC_NORETURN _Xlength_error(const char *str)
 {
+    exception_name name = EXCEPTION_NAME(str);
+    length_error e;
+
     TRACE("(%s)\n", debugstr_a(str));
-    throw_exception(EXCEPTION_LENGTH_ERROR, str);
+
+    MSVCP_length_error_ctor(&e, name);
+    _CxxThrowException(&e, &length_error_cxx_type);
 }
 
 /* ?_Xout_of_range@std@@YAXPBD@Z */
@@ -1066,11 +1071,6 @@ void throw_exception(exception_type et, const char *str)
         MSVCP_logic_error_ctor(&e, name);
         _CxxThrowException(&e, &logic_error_cxx_type);
     }
-    case EXCEPTION_LENGTH_ERROR: {
-        length_error e;
-        MSVCP_length_error_ctor(&e, name);
-        _CxxThrowException(&e, &length_error_cxx_type);
-    }
     case EXCEPTION_OUT_OF_RANGE: {
         out_of_range e;
         MSVCP_out_of_range_ctor(&e, name);

dlls/msvcp90/msvcp90.h

@@ -664,4 +664,5 @@ static inline int mbstowcs_wrapper( size_t *ret, wchar_t *wcs, size_t size, cons
 #endif
 
 void WINAPI DECLSPEC_NORETURN _CxxThrowException(void*,const cxx_exception_type*);
+void __cdecl DECLSPEC_NORETURN _Xlength_error(const char*);
 void __cdecl DECLSPEC_NORETURN _Xmem(void);

dlls/msvcp90/string.c

@@ -454,10 +454,8 @@ unsigned short CDECL MSVCP_char_traits_short_not_eof(const unsigned short *in)
 /* ?_Xlen@_String_base@std@@SAXXZ */
 void  CDECL MSVCP__String_base_Xlen(void)
 {
-    static const char msg[] = "string too long";
-
     TRACE("\n");
-    throw_exception(EXCEPTION_LENGTH_ERROR, msg);
+    _Xlength_error("string too long");
 }
 
 /* ?_Xlen@_String_base@std@@QBEXXZ */