From 8084ab15a3e300e3b2c537e56e0f3a1b00778aec Mon Sep 17 00:00:00 2001 From: Martin Sebor Date: Tue, 13 Apr 2021 13:46:21 -0600 Subject: [PATCH] PR middle-end/86058 - TARGET_MEM_REF causing incorrect message for -Wmaybe-uninitialized warning gcc/testsuite/ChangeLog: PR middle-end/86058 * gcc.dg/pr86058.c: New test. --- gcc/testsuite/gcc.dg/pr86058.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/pr86058.c diff --git a/gcc/testsuite/gcc.dg/pr86058.c b/gcc/testsuite/gcc.dg/pr86058.c new file mode 100644 index 000000000000..0b030b04acf0 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr86058.c @@ -0,0 +1,18 @@ +/* PR middle-end/86058 - TARGET_MEM_REF causing incorrect message for + -Wmaybe-uninitialized warning + { dg-do compile } + { dg-options "-O2 -Wuninitialized -Wmaybe-uninitialized" } */ + +extern void foo (int *); + +void zip (int *out, int indx) +{ + int arr[10]; + + for (int i = 0; i < indx; ++i) + out[i] = arr[i] + 1; // { dg-warning "'arr\\\[i]' may be used uninitialized" "pr?????" { xfail *-*-* } } + // { dg-warning "'arr' may be used uninitialized" "actual" { target *-*-* } .-1 } + + foo (arr); + foo (out); +} -- 2.47.2