https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85153
Peter Maydell <peter.maydell at linaro dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |peter.maydell at linaro dot org
--- Comment #5 from Peter Maydell <peter.maydell at linaro dot org> ---
I was looking to see if this bug had been fixed in gcc trunk, and if you tell
godbolt to run the non-preprocessed original code on gcc trunk (ie the source
you get by following the godbolt link in comment 1), the compiler ICEs:
<source>: In function 'int test7(int)':
<source>:76:5: internal compiler error: in linemap_macro_map_loc_to_exp_point,
at libcpp/line-map.c:1063
76 | switch (val) {
| ^~~~~~
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://gcc.gnu.org/bugs/> for instructions.
Compiler returned: 1
(There are a whole set of these "_Pragma() to disable diagnostics doesn't do
the right thing" bugs in bugzilla. So far I have seen test cases which have
been fixed in gcc 8, test cases fixed in trunk but not 8, and this one which is
differently-broken in trunk. So there isn't a single underlying bug in all
cases.)
