https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85403
Bug ID: 85403
Summary: internal compiler error: ... config/i386/i386.c:32347
Product: gcc
Version: 8.0.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
[hjl@gnu-cfl-1 gcc]$ /export/build/gnu/gcc-cet-test/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc-cet-test/build-x86_64-linux/gcc/
/export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.target/i386/mvc1.c
-fcf-protection -mcet -fno-diagnostics-show-caret -fdiagnostics-color=never
-ansi -pedantic-errors -lm -o ./mvc1.exe
/export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.target/i386/mvc1.c: In
function \u2018foo.resolver\u2019:
/export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.target/i386/mvc1.c:27:1:
error: \u2018-fcf-protection=full\u2019 requires Intel CET support. Use -mcet
or both of -mibt and -mshstk options to enable CET
during IPA pass: targetclone
/export/gnu/import/git/sources/gcc/gcc/testsuite/gcc.target/i386/mvc1.c:27:1:
internal compiler error: tree check: expected target_option_node, have
error_mark in get_builtin_code_for_version, at config/i386/i386.c:32347
0x13624ff tree_check_failed(tree_node const*, char const*, int, char const*,
...)
/export/gnu/import/git/sources/gcc/gcc/tree.c:9327
0x7ddca8 tree_check(tree_node*, char const*, int, char const*, tree_code)
/export/gnu/import/git/sources/gcc/gcc/tree.h:3135
0x146134e get_builtin_code_for_version
/export/gnu/import/git/sources/gcc/gcc/config/i386/i386.c:32347
0x1461b43 dispatch_function_versions
/export/gnu/import/git/sources/gcc/gcc/config/i386/i386.c:32631
0x14629ab ix86_generate_version_dispatcher_body
/export/gnu/import/git/sources/gcc/gcc/config/i386/i386.c:32967
0x1c16fcd create_dispatcher_calls
/export/gnu/import/git/sources/gcc/gcc/multiple_target.c:97
0x1c18098 ipa_target_clone
/export/gnu/import/git/sources/gcc/gcc/multiple_target.c:437
0x1c18104 execute
/export/gnu/import/git/sources/gcc/gcc/multiple_target.c:466
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
[hjl@gnu-cfl-1 gcc]$
Since CET is applied to the whole program, it is correct to disallow
-fcf-protection=full without -mcet. But compiler shouldn't crash.
