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From: Iain Buclaw <ibuclaw@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r11-8536] d: TypeInfo error when using slice copy on Structs (PR100964) Date: Wed, 9 Jun 2021 18:01:51 +0000 (GMT) [thread overview] Message-ID: <20210609180151.3C4E2399E045@sourceware.org> (raw) https://gcc.gnu.org/g:10d4f283f4177d80cec3c9e8bf447a48cab5bb47 commit r11-8536-g10d4f283f4177d80cec3c9e8bf447a48cab5bb47 Author: Iain Buclaw <ibuclaw@gdcproject.org> Date: Wed Jun 9 19:39:28 2021 +0200 d: TypeInfo error when using slice copy on Structs (PR100964) Known limitation: does not work for struct with postblit or dtor. gcc/d/ChangeLog: PR d/100964 * dmd/expression.c (Expression::checkPostblit): Don't generate TypeInfo when RTTI is disabled. gcc/testsuite/ChangeLog: PR d/100964 * gdc.test/compilable/betterCarray.d: Add test cases. (cherry picked from commit 036e14ca44eaddf329a79d56d556862118b1f220) Diff: --- gcc/d/dmd/expression.c | 7 +++++-- gcc/testsuite/gdc.test/compilable/betterCarray.d | 10 ++++++++++ 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/gcc/d/dmd/expression.c b/gcc/d/dmd/expression.c index 2592b38d961..88f13e9669b 100644 --- a/gcc/d/dmd/expression.c +++ b/gcc/d/dmd/expression.c @@ -1044,8 +1044,11 @@ bool Expression::checkPostblit(Scope *sc, Type *t) t = t->baseElemOf(); if (t->ty == Tstruct) { - // Bugzilla 11395: Require TypeInfo generation for array concatenation - semanticTypeInfo(sc, t); + if (global.params.useTypeInfo) + { + // Bugzilla 11395: Require TypeInfo generation for array concatenation + semanticTypeInfo(sc, t); + } StructDeclaration *sd = ((TypeStruct *)t)->sym; if (sd->postblit) diff --git a/gcc/testsuite/gdc.test/compilable/betterCarray.d b/gcc/testsuite/gdc.test/compilable/betterCarray.d index 74c80be3b95..3f48b042bde 100644 --- a/gcc/testsuite/gdc.test/compilable/betterCarray.d +++ b/gcc/testsuite/gdc.test/compilable/betterCarray.d @@ -15,3 +15,13 @@ int foo(int[] a, int i) { return a[i]; } + +/**********************************************/ +// https://issues.dlang.org/show_bug.cgi?id=19234 +void issue19234() +{ + static struct A {} + A[10] a; + A[10] b; + b[] = a[]; +}
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