https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121272
Bug ID: 121272
Summary: powerpc64le-unknown-linux-gnu build failure whit
-Werror=maybe-uninitialized
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: tkaminsk at gcc dot gnu.org
Target Milestone: ---
Created attachment 61983
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61983&action=edit
Preprocessed file generated using `--save-temps`.
When compiling gcc/libcpp/lex.cc file on powerpc64le-unknown-linux-gnu
(cfarm120) box, I get following error:
```
/home/tkaminsk/src/gcc/libcpp/lex.cc: In function ‘bool
forms_identifier_p(cpp_reader*, int, normalize_state*)’:
/home/tkaminsk/src/gcc/libcpp/lex.cc:2134:39: error: ‘loc’ may be used
uninitialized [-Werror=maybe-uninitialized]
2134 | maybe_warn_bidi_on_char (pfile, kind, /*ucn_p=*/true,
loc);
|
~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/tkaminsk/src/gcc/libcpp/lex.cc:2127:26: note: ‘loc’ declared here
2127 | location_t loc;
```
The full command line is:
```
g++ -std=c++14 -I/home/tkaminsk/src/gcc/libcpp -I.
-I/home/tkaminsk/src/gcc/libcpp/../include
-I/home/tkaminsk/src/gcc/libcpp/include -g -O2 -W -Wall -Wno-narrowing
-Wwrite-strings -Wmissing-format-attribute -pedantic -Wno-long-long -Werror
-fno-exceptions -fno-rtti -I/home/tkaminsk/src/gcc/libcpp -I.
-I/home/tkaminsk/src/gcc/libcpp/../include
-I/home/tkaminsk/src/gcc/libcpp/include -c -o lex.o -MT lex.o -MMD -MP -MF
.deps/lex.Tpo /home/tkaminsk/src/gcc/libcpp/lex.cc
```
