[Bug middle-end/77735] FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c (test for warnings, line 358)

[dave.anglin at bell dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77735

--- Comment #3 from dave.anglin at bell dot net ---
On 2016-09-27, at 8:38 PM, msebor at gcc dot gnu.org wrote:

> I have reproduced the test failure with a cross-compiler for
> hppa-unknown-linux-gnu.  The problem is due to the c_strlen function defined in
> builtins.c accepting wide strings but not handling them correctly (in this
> case, returning zero for L"1").  The problem doesn't show up in the tests on
> little-endian targets because the longest strings used by the wide character
> tests are 1 wide character long and the first character is in the least
> significant byte.  Let me look into enhancing c_strlen to handle wide character
> strings if that's doable without too much effort.  If not, I'll have to disable
> the -Wformat-length warning for wide strings.


It seems like this could be a problem in other situations as well.

--
John David Anglin       dave.anglin@bell.net