From 8edf0adb6616bd717312d9b305c7d7c9a6b7a171 Mon Sep 17 00:00:00 2001 From: Martin Sebor Date: Mon, 18 May 2020 16:31:13 -0600 Subject: [PATCH] PR middle-end/92815 - spurious -Wstringop-overflow writing into a flexible array of an extern struct Adjust test to avoid failures in ILP32 mode. gcc/testsuite/ChangeLog: PR middle-end/92815 * gcc.dg/builtin-object-size-20.c: Adjust to avoid failures in ILP32 mode. --- gcc/testsuite/ChangeLog | 6 ++++++ gcc/testsuite/gcc.dg/builtin-object-size-20.c | 4 ++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 67e9394ed92..40e9d666f00 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2020-05-18 Martin Sebor + + PR middle-end/92815 + * gcc.dg/builtin-object-size-20.c: Adjust to avoid failures in + ILP32 mode. + 2020-05-18 Marek Polacek PR c++/90915 diff --git a/gcc/testsuite/gcc.dg/builtin-object-size-20.c b/gcc/testsuite/gcc.dg/builtin-object-size-20.c index 47821c06d76..bed973c2c77 100644 --- a/gcc/testsuite/gcc.dg/builtin-object-size-20.c +++ b/gcc/testsuite/gcc.dg/builtin-object-size-20.c @@ -1,7 +1,7 @@ /* PR middle-end/92815 - spurious -Wstringop-overflow writing into a flexible array of an extern struct { dg-do compile } - { dg-options "-Wall -fdump-tree-optimized" } */ + { dg-options "-O -Wall -fdump-tree-optimized" } */ #define ASSERT(expr) ((expr) ? (void)0 : fail (__LINE__)) #define bos0(expr) __builtin_object_size (expr, 1) @@ -213,7 +213,7 @@ void fai32cx (void) /* Verify sizes of a struct with a flexible array member and 7 bytes of tail padding. */ -struct AI64CX { int64_t i; char n, a[]; }; +struct AI64CX { int64_t i __attribute__ ((aligned (8))); char n, a[]; }; struct AI64CX ai64c0 = { 0 }; struct AI64CX ai64c1 = { 0, 1, { 1 } }; -- 2.30.2