[cfe-dev] a kind of const expression not surpported

[Jiandong Lu]

hi,everyone.
the coes bellow not compiled by clang,but compiled by gcc.
#include <stdio.h>
int main()
{
  double d = 0x1.0p514;
  printf("d = %f\n");
  return 0;
}
    
clang's output is :

[clang at FreeBSD_209 ~/test]> clang -o t ./frexp.c
Assertion failed: (dot == 0), function convertFromHexadecimalString, file APFloat.cpp, line 2156.
Stack dump:
0.      Program arguments: /usr/home/clang/llvm/Debug/bin/clang-cc -triple i386-unknown-freebsd7.2 -S -disable-free -main-file-name frexp.c --relocation-model static --disable-fp-elim --unwind-tables=0 --mcpu=pentium4 --fmath-errno=1 -fdiagnostics-show-option -o /tmp/cc-ha3RrR.s -x c ./frexp.c 
1.      ./frexp.c:5:13: current parser token '0x1.0p514'
2.      ./frexp.c:4:1: parsing function body 'main'
3.      ./frexp.c:4:1: in compound statement ('{}')
clang: error: compiler command failed due to signal 6 (use -v to see invocation)

0x1.0p514 expresion has not been surpported yest.
The clang I use is compiled by I with the latest codes yestoday.
This problem is found while I use clang to build clangbsd project(http://wiki.freebsd.org/BuildingFreeBSDWithClang).
                                                                            zhuiyue



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