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28b649388d
When compiling with LTO enabled on gcc-14.2.0 (e.g. with Ubuntu 25.04),
the following warning (as error) appeared. Work around it by checking for
str.empty() before resizing the string.
[cmake] gcc.cmake: Remove -Wno-error=aggressive-loop-optimizations, since
it's no longe needed.
In function ‘assign’,
inlined from ‘_S_assign’ at /usr/include/c++/14/bits/basic_string.h:455:23,
inlined from ‘_S_assign’ at /usr/include/c++/14/bits/basic_string.h:450:7,
inlined from ‘_M_replace_aux’ at /usr/include/c++/14/bits/basic_string.tcc:471:17,
inlined from ‘append’ at /usr/include/c++/14/bits/basic_string.h:1499:30,
inlined from ‘resize’ at /usr/include/c++/14/bits/basic_string.tcc:405:14,
inlined from ‘resize’ at /usr/include/c++/14/bits/basic_string.h:1119:21,
inlined from ‘TestBody’ at src/librptext/tests/TextFuncsTest.cpp:513:12:
/usr/include/c++/14/bits/char_traits.h:837:25: error: iteration 9223372036854775807 invokes undefined behavior [-Werror=aggressive-loop-optimizations]
837 | assign(__s[__i], __a);
| ^
/usr/include/c++/14/bits/char_traits.h:836:34: note: within this loop
836 | for (size_t __i = 0; __i < __n; ++__i)
| ^
In function ‘assign’,
inlined from ‘_S_assign’ at /usr/include/c++/14/bits/basic_string.h:455:23,
inlined from ‘_S_assign’ at /usr/include/c++/14/bits/basic_string.h:450:7,
inlined from ‘_M_replace_aux’ at /usr/include/c++/14/bits/basic_string.tcc:471:17,
inlined from ‘append’ at /usr/include/c++/14/bits/basic_string.h:1499:30,
inlined from ‘resize’ at /usr/include/c++/14/bits/basic_string.tcc:405:14,
inlined from ‘resize’ at /usr/include/c++/14/bits/basic_string.h:1119:21,
inlined from ‘TestBody’ at src/librptext/tests/TextFuncsTest.cpp:542:12:
/usr/include/c++/14/bits/char_traits.h:837:25: error: iteration 9223372036854775807 invokes undefined behavior [-Werror=aggressive-loop-optimizations]
837 | assign(__s[__i], __a);
| ^
/usr/include/c++/14/bits/char_traits.h:836:34: note: within this loop
836 | for (size_t __i = 0; __i < __n; ++__i)
| ^
lto1: all warnings being treated as errors
lto-wrapper: fatal error: /usr/bin/c++ returned 1 exit status
compilation terminated.
|
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| .. | ||
| libs | ||
| macros | ||
| platform | ||
| toolchain | ||
| cmake_uninstall.cmake.in | ||
| options.cmake | ||
| platform.cmake | ||