Simplify linker script patterns for std::exception_ptr

	* config/abi/pre/gnu.ver: Use wildcards to combine related patterns.

From-SVN: r262475

libstdc++-v3/ChangeLog

 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
 
+	* config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
+
 	P0935R0 Eradicating unnecessarily explicit default constructors
 	* config/abi/pre/gnu.ver: Tighten existing patterns and export new
 	default constructor symbols.

libstdc++-v3/config/abi/pre/gnu.ver

@@ -2174,14 +2174,10 @@ CXXABI_1.3.3 {
 
 #ifdef HAVE_EXCEPTION_PTR_SINCE_GCC46
     # exception_ptr
-    _ZNSt15__exception_ptr13exception_ptrC1Ev;
-    _ZNSt15__exception_ptr13exception_ptrC2Ev;
-    _ZNSt15__exception_ptr13exception_ptrC1ERKS0_;
-    _ZNSt15__exception_ptr13exception_ptrC2ERKS0_;
-    _ZNSt15__exception_ptr13exception_ptrC1EMS0_FvvE;
-    _ZNSt15__exception_ptr13exception_ptrC2EMS0_FvvE;
-    _ZNSt15__exception_ptr13exception_ptrD1Ev;
-    _ZNSt15__exception_ptr13exception_ptrD2Ev;
+    _ZNSt15__exception_ptr13exception_ptrC[12]Ev;
+    _ZNSt15__exception_ptr13exception_ptrC[12]ERKS0_;
+    _ZNSt15__exception_ptr13exception_ptrC[12]EMS0_FvvE;
+    _ZNSt15__exception_ptr13exception_ptrD[12]Ev;
     _ZNSt15__exception_ptr13exception_ptraSERKS0_;
     _ZNKSt15__exception_ptr13exception_ptrcvMS0_FvvEEv;
     _ZNKSt15__exception_ptr13exception_ptrntEv;