diff options
author | Richard Smith <richard-llvm@metafoo.co.uk> | 2013-04-15 08:33:22 +0000 |
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committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2013-04-15 08:33:22 +0000 |
commit | df4cc0a0c75ff9d92ca501ecd40c5413b97506d6 (patch) | |
tree | dd5b65ae503ed4ee7d8cdfb29a8ed2f8aa8bd2d1 /lib/Sema/SemaDecl.cpp | |
parent | b6b127f279f89d992e0713866f17fed267147a79 (diff) |
Local thread_local variables are implicitly 'static'. (This doesn't apply to _Thread_local nor __thread.)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179517 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaDecl.cpp')
-rw-r--r-- | lib/Sema/SemaDecl.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp index b943e310ff..9b3083a4ec 100644 --- a/lib/Sema/SemaDecl.cpp +++ b/lib/Sema/SemaDecl.cpp @@ -4687,8 +4687,7 @@ Sema::ActOnVariableDeclarator(Scope *S, Declarator &D, DeclContext *DC, "Parser allowed 'typedef' as storage class VarDecl."); VarDecl::StorageClass SC = StorageClassSpecToVarDeclStorageClass(SCSpec); - if (getLangOpts().OpenCL && !getOpenCLOptions().cl_khr_fp16) - { + if (getLangOpts().OpenCL && !getOpenCLOptions().cl_khr_fp16) { // OpenCL v1.2 s6.1.1.1: reject declaring variables of the half and // half array type (unless the cl_khr_fp16 extension is enabled). if (Context.getBaseElementType(R)->isHalfType()) { @@ -4705,6 +4704,16 @@ Sema::ActOnVariableDeclarator(Scope *S, Declarator &D, DeclContext *DC, SC = SC_None; } + // C++11 [dcl.stc]p4: + // When thread_local is applied to a variable of block scope the + // storage-class-specifier static is implied if it does not appear + // explicitly. + // Core issue: 'static' is not implied if the variable is declared 'extern'. + if (SCSpec == DeclSpec::SCS_unspecified && + D.getDeclSpec().getThreadStorageClassSpec() == + DeclSpec::TSCS_thread_local && DC->isFunctionOrMethod()) + SC = SC_Static; + IdentifierInfo *II = Name.getAsIdentifierInfo(); if (!II) { Diag(D.getIdentifierLoc(), diag::err_bad_variable_name) |