https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83198
Bug ID: 83198
Summary: ICE internal compiler error: in format_floating, at
gimple-ssa-sprintf.c:1900
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
With this snippet :
$ cat z1.c
void f (int x)
{
char d[40];
int a = __builtin_sprintf (d, "%.a", x, 1.0);
int b = __builtin_sprintf (d, "%.*a", x, '1');
int c = __builtin_sprintf (d, "%.*a", 1.0, x);
}
$ gcc-6-20171122 -c z1.c
$ gcc-8-20171126 -c z1.c
during GIMPLE pass: printf-return-value
z1.c: In function 'f':
z1.c:1:6: internal compiler error: in format_floating, at
gimple-ssa-sprintf.c:1900
void f (int x)
^
0x1107ee6 format_floating
../../gcc/gimple-ssa-sprintf.c:1900
0x110507e format_directive
../../gcc/gimple-ssa-sprintf.c:2755
0x110507e compute_format_length
../../gcc/gimple-ssa-sprintf.c:3483
0x110507e handle_gimple_call
../../gcc/gimple-ssa-sprintf.c:3970
0x110507e before_dom_children
../../gcc/gimple-ssa-sprintf.c:4003
0x10d9f57 dom_walker::walk(basic_block_def*)
../../gcc/domwalk.c:308
0x11027cf execute
../../gcc/gimple-ssa-sprintf.c:4023
