https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107089
Bug ID: 107089
Summary: Line-terminating '\' leaves the characters when the
next-line is a multi-line comment
Product: gcc
Version: 11.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: preprocessor
Assignee: unassigned at gcc dot gnu.org
Reporter: wcs84014 at xcoxc dot com
Target Milestone: ---
I found it when I tried to use the CPP as a general-purpose macro.
~$ gcc -v
Target: x86_64-linux-gnu /gcc version 11.2.0 (Debian 11.2.0-13)
~$ cat a.c
1=\
//xyz
ok*/
2=\
/*xyz
NG*/
3=\(sp)(nl)
/*xyz
NG*/
4=\
//*xyz
ok:gcc NG:-traditional*/
~$ cat a.c | cpp -P -C -nostdinc #-traditional-cpp
1=//xyz
ok*/
2=/*xyz
z
NG*/
<stdin>:9:3: warning: backslash and newline separated by space
3=/*xyz
yz
NG*/
4=//*xyz
ok:gcc NG:-traditional*/
