diff options
Diffstat (limited to 'clang')
-rw-r--r-- | clang/lib/Sema/SemaExpr.cpp | 2 | ||||
-rw-r--r-- | clang/test/CodeGenCXX/compound-literals.cpp | 8 | ||||
-rw-r--r-- | clang/test/Sema/compound-literal.c | 8 | ||||
-rw-r--r-- | clang/test/SemaCXX/compound-literal.cpp | 10 |
4 files changed, 26 insertions, 2 deletions
diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp index d6c8413d7aa..fdb5fb5bd28 100644 --- a/clang/lib/Sema/SemaExpr.cpp +++ b/clang/lib/Sema/SemaExpr.cpp @@ -5572,7 +5572,7 @@ Sema::BuildCompoundLiteralExpr(SourceLocation LParenLoc, TypeSourceInfo *TInfo, return ExprError(); LiteralExpr = Result.get(); - bool isFileScope = getCurFunctionOrMethodDecl() == nullptr; + bool isFileScope = !CurContext->isFunctionOrMethod(); if (isFileScope && !LiteralExpr->isTypeDependent() && !LiteralExpr->isValueDependent() && diff --git a/clang/test/CodeGenCXX/compound-literals.cpp b/clang/test/CodeGenCXX/compound-literals.cpp index 69632a7de2f..1e525e237e9 100644 --- a/clang/test/CodeGenCXX/compound-literals.cpp +++ b/clang/test/CodeGenCXX/compound-literals.cpp @@ -55,3 +55,11 @@ union PR21912Ty { union PR21912Ty *PR21912_2 = (union PR21912Ty[]){{.d = 2.0}, {.l = 3}}; // CHECK-LABEL: define {{.*}}__cxx_global_var_init.3() // CHECK: store %union.PR21912Ty* getelementptr inbounds ([2 x %union.PR21912Ty], [2 x %union.PR21912Ty]* bitcast (<{ { double }, %union.PR21912Ty }>* @.compoundliteral.4 to [2 x %union.PR21912Ty]*), i32 0, i32 0), %union.PR21912Ty** @PR21912_2 + +// This compound literal should have local scope. +int computed_with_lambda = [] { + int *array = (int[]) { 1, 3, 5, 7 }; + return array[0]; +}(); +// CHECK-LABEL: define internal i32 @{{.*}}clEv +// CHECK: alloca [4 x i32] diff --git a/clang/test/Sema/compound-literal.c b/clang/test/Sema/compound-literal.c index c5c0c17143f..217dbeda8a7 100644 --- a/clang/test/Sema/compound-literal.c +++ b/clang/test/Sema/compound-literal.c @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s +// RUN: %clang_cc1 -fsyntax-only -verify -fblocks -pedantic %s // REQUIRES: LP64 struct foo { int a, b; }; @@ -36,3 +36,9 @@ void IncompleteFunc(unsigned x) { // PR6080 int array[(sizeof(int[3]) == sizeof( (int[]) {0,1,2} )) ? 1 : -1]; + +// rdar://28949016 - Constant restriction should not apply to compound literals in blocks +int (^block)(int) = ^(int i) { + int *array = (int[]) {i, i + 2, i + 4}; + return array[i]; +}; diff --git a/clang/test/SemaCXX/compound-literal.cpp b/clang/test/SemaCXX/compound-literal.cpp index 3fc61505dfe..5480b1fef44 100644 --- a/clang/test/SemaCXX/compound-literal.cpp +++ b/clang/test/SemaCXX/compound-literal.cpp @@ -86,3 +86,13 @@ int PR17415 = (int){PR17415}; // expected-error {{initializer element is not a c template<unsigned> struct Value { }; template<typename T> int &check_narrowed(Value<sizeof((T){1.1})>); + +#if __cplusplus >= 201103L +// Compound literals in global lambdas have automatic storage duration +// and are not subject to the constant-initialization rules. +int computed_with_lambda = [] { + int x = 5; + int result = ((int[]) { x, x + 2, x + 4, x + 6 })[0]; + return result; +}(); +#endif |