https://bugs.llvm.org/show_bug.cgi?id=48904
Bug ID: 48904
Summary: clang-cl disallows C11 convenience macro static_assert
in the function scope
Product: clang
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: -New Bugs
Assignee: unassignedclangb...@nondot.org
Reporter: w...@google.com
CC: htmldevelo...@gmail.com, llvm-bugs@lists.llvm.org,
neeil...@live.com, nicolaswe...@gmx.de,
richard-l...@metafoo.co.uk
Created attachment 24427
--> https://bugs.llvm.org/attachment.cgi?id=24427&action=edit
reduced test-case
The clang-cl compiler disallows C11 convenience macro static_assert in the
function scope. It does allow static_assert in the file scope.
This problem is also reported in
https://github.com/ionescu007/minlzma/issues/1.
Here is a reduced test-case:
C:\src\build>clang-cl --version
clang version 12.0.0 (https://github.com/llvm/llvm-project/
6de4865545da73687dd6d28d153cd345ed5e7918)
Target: x86_64-pc-windows-msvc
Thread model: posix
InstalledDir: C:\src\chromium\src\third_party\llvm-build\Release+Asserts\bin
C:\src\build>type static-assert.c
#include <assert.h>
_Static_assert(1 == 1, "");
static_assert(1 == 1, "");
void Foo(void) {
_Static_assert(1 == 1, "");
static_assert(1 == 1, "");
}
C:\src\build>clang-cl /s static-assert.c
clang-cl: error: no such file or directory: '/s'
C:\src\aom.1\build.clang-cl>clang-cl /c static-assert.c
static-assert.c(8,3): error: expected expression
static_assert(1 == 1, "");
^
1 error generated.
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