On arm-eabi, and possibly on other platforms, -fshort-enums is enabled by default, which breaks some tests' expectations as to enum sizes with DEFERRED_INIT. Disable short enums so that the expectations are met.
Regstraped on x86_64-linux-gnu, also tested with crosses to riscv64-elf and arm-eabi. Ok to install? for gcc/testsuite/ChangeLog * c-c++-common/auto-init-1.c: Add -fno-short-enums. * c-c++-common/auto-init-2.c: Likewise. * gcc.dg/debug/btf/btf-enum-1.c: Likewise. --- gcc/testsuite/c-c++-common/auto-init-1.c | 2 +- gcc/testsuite/c-c++-common/auto-init-2.c | 2 +- gcc/testsuite/gcc.dg/debug/btf/btf-enum-1.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/gcc/testsuite/c-c++-common/auto-init-1.c b/gcc/testsuite/c-c++-common/auto-init-1.c index df04358728bab..3e6a4984eea22 100644 --- a/gcc/testsuite/c-c++-common/auto-init-1.c +++ b/gcc/testsuite/c-c++-common/auto-init-1.c @@ -1,6 +1,6 @@ /* Verify zero initialization for integer and pointer type automatic variables. */ /* { dg-do compile { target { ilp32 || lp64 } } } */ -/* { dg-options "-ftrivial-auto-var-init=zero -fdump-tree-gimple" } */ +/* { dg-options "-ftrivial-auto-var-init=zero -fno-short-enums -fdump-tree-gimple" } */ #ifndef __cplusplus # define bool _Bool diff --git a/gcc/testsuite/c-c++-common/auto-init-2.c b/gcc/testsuite/c-c++-common/auto-init-2.c index 6ac63bb1ddac1..d356e508b836f 100644 --- a/gcc/testsuite/c-c++-common/auto-init-2.c +++ b/gcc/testsuite/c-c++-common/auto-init-2.c @@ -1,6 +1,6 @@ /* Verify pattern initialization for integer and pointer type automatic variables. */ /* { dg-do compile { target { ilp32 || lp64 } } } */ -/* { dg-options "-ftrivial-auto-var-init=pattern -fdump-tree-gimple" } */ +/* { dg-options "-ftrivial-auto-var-init=pattern -fno-short-enums -fdump-tree-gimple" } */ #ifndef __cplusplus # define bool _Bool diff --git a/gcc/testsuite/gcc.dg/debug/btf/btf-enum-1.c b/gcc/testsuite/gcc.dg/debug/btf/btf-enum-1.c index 7e940529f1b6d..2887cb1c5f244 100644 --- a/gcc/testsuite/gcc.dg/debug/btf/btf-enum-1.c +++ b/gcc/testsuite/gcc.dg/debug/btf/btf-enum-1.c @@ -1,7 +1,7 @@ /* Test BTF generation for enums. */ /* { dg-do compile } */ -/* { dg-options "-O0 -gbtf -dA" } */ +/* { dg-options "-O0 -gbtf -fno-short-enums -dA" } */ /* { dg-final { scan-assembler-times "\[\t \]0x6000004\[\t \]+\[^\n\]*btt_info" 1 } } */ /* { dg-final { scan-assembler-times "\[\t \]0x86000003\[\t \]+\[^\n\]*btt_info" 1 } } */ -- Alexandre Oliva, happy hacker https://FSFLA.org/blogs/lxo/ Free Software Activist GNU Toolchain Engineer Disinformation flourishes because many people care deeply about injustice but very few check the facts. Ask me about <https://stallmansupport.org>