[llvm-bugs] [Bug 50856] New: Compile error when compiling seh0020.c of github microsoft compiler-tests
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Jun 24 20:35:56 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=50856
Bug ID: 50856
Summary: Compile error when compiling seh0020.c of github
microsoft compiler-tests
Product: clang
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: LLVM Codegen
Assignee: unassignedclangbugs at nondot.org
Reporter: tao.pan at intel.com
CC: llvm-bugs at lists.llvm.org, neeilans at live.com,
richard-llvm at metafoo.co.uk
No problem if use cl.exe
D:\llvm\compiler-tests\seh>cl.exe seh0020.c
Microsoft (R) C/C++ Optimizing Compiler Version 19.29.30037 for x64
Copyright (C) Microsoft Corporation. All rights reserved.
seh0020.c
Microsoft (R) Incremental Linker Version 14.29.30037.0
Copyright (C) Microsoft Corporation. All rights reserved.
/out:seh0020.exe
seh0020.obj
Compile error if use clang-cl.exe
$ /c/work/llvm/llvm-project-4/build/Release/bin/clang-cl.exe seh0020.c
-fuse-ld=lld
seh0020.c(20,5): error: assignment to cast is illegal, lvalue casts are not
supported
(volatile LONG) Counter += 1;
^~~~~~~~~~~~~~~~~~~~~~~ ~~
seh0020.c(24,5): error: assignment to cast is illegal, lvalue casts are not
supported
(volatile LONG) Counter += 1;
^~~~~~~~~~~~~~~~~~~~~~~ ~~
seh0020.c(28,48): warning: format specifies type 'int' but the argument has
type 'LONG' (aka 'long') [-Wformat]
printf("TEST 20 FAILED. Counter = %d\n\r", Counter);
~~ ^~~~~~~
%ld
1 warning and 2 errors generated.
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