From 7ef68c37b3a46e69ed4a5ff6b2b368e2c9a8023f Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Tue, 7 Dec 2021 05:09:34 -0800 Subject: [PATCH] x86: Check FUNCTION_DECL before calling cgraph_node::get gcc/ PR target/103594 * config/i386/i386.c (ix86_call_use_plt_p): Check FUNCTION_DECL before calling cgraph_node::get. gcc/testsuite/ PR target/103594 * gcc.dg/pr103594.c: New test. --- gcc/config/i386/i386.c | 3 ++- gcc/testsuite/gcc.dg/pr103594.c | 14 ++++++++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.dg/pr103594.c diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 52547b0f0570..f1e41fd55f98 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -15987,7 +15987,8 @@ ix86_call_use_plt_p (rtx call_op) { if (SYMBOL_REF_LOCAL_P (call_op)) { - if (SYMBOL_REF_DECL (call_op)) + if (SYMBOL_REF_DECL (call_op) + && TREE_CODE (SYMBOL_REF_DECL (call_op)) == FUNCTION_DECL) { /* NB: All ifunc functions must be called via PLT. */ cgraph_node *node diff --git a/gcc/testsuite/gcc.dg/pr103594.c b/gcc/testsuite/gcc.dg/pr103594.c new file mode 100644 index 000000000000..0eae239eea0a --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr103594.c @@ -0,0 +1,14 @@ +/* { dg-do compile { target fpic } } */ +/* { dg-options "-O1 -fpic" } */ + +int regex_subst(void) +{ + const void *subst = ""; + return (*(int (*)(int))subst) (0); +} + +int foobar (void) +{ + int x; + return (*(int (*)(void))&x) (); +} -- 2.47.2