https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267401
Bug ID: 267401
Summary: clang; i386 ; generates code for target that doesn't
support it (CET instructions)
Product: Base System
Version: Unspecified
Hardware: i386
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: b...@freebsd.org
Reporter: mar...@bxlr.sk
CPU target: i586, clang generates code that is not supported by target causing
program to crash due to illegal instruction.
Illegal instruction is: endbr32
Tested on physical box running i386 FreeBSD 13.1.
CPU: Pentium/P55C (233.87-MHz 586-class CPU)
Origin="GenuineIntel" Id=0x543 Family=0x5 Model=0x4 Stepping=3
Features=0x8001bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,MMX>
Simple "hello world" c code compiled with CFLAGS=-g -march=i586
-fcf-protection.
As target doesn't support flow control -fcf-protection should not be used.
Similar bug to gcc one specified here:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98667
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