1 // { dg-do compile } 2 3 // Copyright (C) 2001 Free Software Foundation, Inc. 4 // Contributed by Nathan Sidwell 31 Dec 2001 <nathan@codesourcery.com> 5 6 // PR 5132. ICE on struct constructors in templates. 7 8 // snippets from bits/huge_val.h 9 10 #define __HUGE_VAL_bytes { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } 11 #define __huge_val_t union { unsigned char __c[8]; double __d; } 12 #define HUGE_VAL (__extension__ \ 13 ((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d) 14 foo(const int &)15void foo( const int&) { 16 HUGE_VAL; // no problem here 17 } 18 19 template <class F> Tfoo(const F &)20void Tfoo( const F&) { 21 HUGE_VAL; // g++ fails here 22 } 23 24 template <typename T> struct M { T m; }; 25 Foo()26void Foo () 27 { 28 Tfoo (1.2f); 29 (__extension__ ((M<int>) {m:3})); 30 (__extension__ ((M<short> []) {{m:3}})); 31 } 32