[PATCH] D22113: C does not have inline variables
Paul Robinson via cfe-commits
cfe-commits at lists.llvm.org
Thu Jul 14 15:20:14 PDT 2016
probinson updated this revision to Diff 64053.
probinson marked an inline comment as done.
probinson added a comment.
Reorder the checks. I didn't see any tests for the adjacent (C++) diagnostics so I added some.
https://reviews.llvm.org/D22113
Files:
lib/Sema/SemaDecl.cpp
test/Sema/inline.c
test/SemaCXX/inline.cpp
Index: test/SemaCXX/inline.cpp
===================================================================
--- test/SemaCXX/inline.cpp
+++ test/SemaCXX/inline.cpp
@@ -1,5 +1,18 @@
// RUN: %clang_cc1 -fsyntax-only -verify %s
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++14 %s
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++1z %s -Wc++98-c++11-c++14-compat
// Check that we don't allow illegal uses of inline
// (checking C++-only constructs here)
struct c {inline int a;}; // expected-error{{'inline' can only appear on functions}}
+
+void localVar() {
+ inline int a; // expected-error{{inline declaration of 'a' not allowed in block scope}}
+}
+
+// Check that we warn appropriately.
+#if __cplusplus <= 201402L
+inline int a; // expected-warning{{inline variables are a C++1z extension}}
+#else
+inline int a; // expected-warning{{inline variables are incompatible with C++ standards before C++1z}}
+#endif
Index: test/Sema/inline.c
===================================================================
--- test/Sema/inline.c
+++ test/Sema/inline.c
@@ -49,7 +49,7 @@
#include "inline.c"
// Check that we don't allow illegal uses of inline
-inline int a; // expected-warning{{inline variables are a C++1z extension}}
+inline int a; // expected-error{{'inline' can only appear on functions}}
typedef inline int b; // expected-error{{'inline' can only appear on functions}}
int d(inline int a); // expected-error{{'inline' can only appear on functions}}
Index: lib/Sema/SemaDecl.cpp
===================================================================
--- lib/Sema/SemaDecl.cpp
+++ lib/Sema/SemaDecl.cpp
@@ -6178,7 +6178,10 @@
}
if (D.getDeclSpec().isInlineSpecified()) {
- if (CurContext->isFunctionOrMethod()) {
+ if (!getLangOpts().CPlusPlus) {
+ Diag(D.getDeclSpec().getInlineSpecLoc(), diag::err_inline_non_function)
+ << 0;
+ } else if (CurContext->isFunctionOrMethod()) {
// 'inline' is not allowed on block scope variable declaration.
Diag(D.getDeclSpec().getInlineSpecLoc(),
diag::err_inline_declaration_block_scope) << Name
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