svn commit: r363980 - projects/clang1100-import/contrib/llvm-project/clang/lib/AST
Dimitry Andric
dim at FreeBSD.org
Thu Aug 6 19:23:01 UTC 2020
Author: dim
Date: Thu Aug 6 19:23:00 2020
New Revision: 363980
URL: https://svnweb.freebsd.org/changeset/base/363980
Log:
Reapply r360852 (by cem):
clang: Reject %n for __attribute__((format(__freebsd_kprintf__)))
A follow-up to r360849.
Reported by: imp
Reviewed by: emaste, imp
Differential Revision: https://reviews.freebsd.org/D24786
Modified:
projects/clang1100-import/contrib/llvm-project/clang/lib/AST/PrintfFormatString.cpp
Modified: projects/clang1100-import/contrib/llvm-project/clang/lib/AST/PrintfFormatString.cpp
==============================================================================
--- projects/clang1100-import/contrib/llvm-project/clang/lib/AST/PrintfFormatString.cpp Thu Aug 6 19:16:11 2020 (r363979)
+++ projects/clang1100-import/contrib/llvm-project/clang/lib/AST/PrintfFormatString.cpp Thu Aug 6 19:23:00 2020 (r363980)
@@ -317,8 +317,8 @@ static PrintfSpecifierResult ParsePrintfSpecifier(Form
case 'g': k = ConversionSpecifier::gArg; break;
case 'i': k = ConversionSpecifier::iArg; break;
case 'n':
- // Not handled, but reserved in OpenCL.
- if (!LO.OpenCL)
+ // Not handled, but reserved in OpenCL and FreeBSD kernel.
+ if (!LO.OpenCL && !isFreeBSDKPrintf)
k = ConversionSpecifier::nArg;
break;
case 'o': k = ConversionSpecifier::oArg; break;
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