https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89053
Bug ID: 89053
Summary: initializer-string too long for a large char array
initialized with empty string
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: msebor at gcc dot gnu.org
Target Milestone: ---
While experimenting with the test case for pr89052 I came across the following
error issued by the G++ front-end for the string literal initializer. Since
the equivalent brace-enclosed initializer is accepts the error looks like a bug
rather than a simple limitation.
$ cat a.c && gcc -S -Wall -xc++ a.c
#include <limits.h>
char a[INT_MAX >> 2] = { '\0' }; // accepted
char b[INT_MAX >> 2] = ""; // error
a.c:4:24: error: initializer-string for array of chars is too long
[-fpermissive]
4 | char b[INT_MAX >> 2] = ""; // error
| ^~
