https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98048
Bug ID: 98048
Summary: ICE in build_vector_from_val, at tree.c:1985
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: vsevolod.livinskij at frtk dot ru
Target Milestone: ---
Reproducer:
extern short var_0;
extern int var_3;
extern int arr_277[];
int a(int b, int c) { return b < c ? b : c; }
int e;
void test() {
e = var_0;
for (int d = 0; d < 9; d++)
if (var_3)
arr_277[d] = a(var_0, -var_0);
}
Error:
>$ g++ -c -O3 func.cpp
during GIMPLE pass: veclower2
func.cpp: In function ‘void test()’:
func.cpp:6:6: internal compiler error: in build_vector_from_val, at tree.c:1985
6 | void test() {
| ^~~~
0x88bffd build_vector_from_val(tree_node*, tree_node*)
/home/vlivinsk/workspace/gcc/gcc_src/gcc/tree.c:1985
0x13a22cd expand_vector_operations_1
/home/vlivinsk/workspace/gcc/gcc_src/gcc/tree-vect-generic.c:2095
0x13a22cd expand_vector_operations
/home/vlivinsk/workspace/gcc/gcc_src/gcc/tree-vect-generic.c:2291
0x13a22cd execute
/home/vlivinsk/workspace/gcc/gcc_src/gcc/tree-vect-generic.c:2337
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
gcc version 11.0.0 20201126 (beb9afcaf1466996a301c778596c5df209e7913c)
