https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79516
Bug ID: 79516
Summary: ICE: unspellable token PRAGMA_EOL
Product: gcc
Version: 7.0.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gerhard.steinmetz.fort...@t-online.de
Target Milestone: ---
For versions down to at least 4.8 (on x86_64 GNU/Linux) with
options "-E -traditional" or "-traditional-cpp" applied to file
./gcc/testsuite/gcc.dg/pragma-message.c or this reduced variant :
$ cat z1.c
#pragma message "Okay 1"
#if 0
#pragma message ("Not printed")
#endif
$ gcc-7-20170212 -E -traditional -c z1.c
# 1 "z1.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 31 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 17 "/usr/include/stdc-predef.h" 3 4
......
# 32 "<command-line>" 2
# 1 "z1.c"
z1.c:2:0: internal compiler error: unspellable token PRAGMA_EOL
#if 0
0x71734a c_cpp_error(cpp_reader*, int, int, rich_location*, char const*,
__va_list_tag (*) [1])
../../gcc/c-family/c-common.c:6191
0x13f7174 cpp_diagnostic_at
../../libcpp/errors.c:60
0x13f7356 cpp_error(cpp_reader*, int, char const*, ...)
../../libcpp/errors.c:104
0x140039d cpp_spell_token(cpp_reader*, cpp_token const*, unsigned char*, bool)
../../libcpp/lex.c:3248
0x1401d67 cpp_token_as_text(cpp_reader*, cpp_token const*)
../../libcpp/lex.c:3263
0x13fb10e _cpp_parse_expr
../../libcpp/expr.c:1334
0x13f3b63 do_if
../../libcpp/directives.c:2049
0x13f5306 _cpp_handle_directive
../../libcpp/directives.c:547
0x140ea75 _cpp_scan_out_logical_line
../../libcpp/traditional.c:772
0x140f2eb _cpp_read_logical_line_trad
../../libcpp/traditional.c:310
0x737cb7 scan_translation_unit_trad
../../gcc/c-family/c-ppoutput.c:320
0x737cb7 preprocess_file(cpp_reader*)
../../gcc/c-family/c-ppoutput.c:96
0x736520 c_common_init()
../../gcc/c-family/c-opts.c:1083
0x64be4e lang_dependent_init
../../gcc/toplev.c:1745
0x64be4e do_compile
../../gcc/toplev.c:1968
