https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70240
Bug ID: 70240
Summary: [6 Regression] ICE: in gimplify_modify_expr, at
gimplify.c:4854 with -ftree-vectorize
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Target: i686-pc-linux-gnu, armv7a-hardfloat-linux-gnueabi,
powerpc-unknown-linux-gnu
Created attachment 37970
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37970&action=edit
reduced testcase
Compiler output:
$ i686-pc-linux-gnu-gcc -O3 testcase.c
In function 'foo':
cc1: internal compiler error: in gimplify_modify_expr, at gimplify.c:4854
0x8fcc0e gimplify_modify_expr
/repo/gcc-trunk/gcc/gimplify.c:4854
0x8f182d gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/repo/gcc-trunk/gcc/gimplify.c:10186
0x8f4356 gimplify_stmt(tree_node**, gimple**)
/repo/gcc-trunk/gcc/gimplify.c:5652
0x8f811b gimplify_cond_expr
/repo/gcc-trunk/gcc/gimplify.c:3247
0x8f17b6 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/repo/gcc-trunk/gcc/gimplify.c:10142
0x8f4356 gimplify_stmt(tree_node**, gimple**)
/repo/gcc-trunk/gcc/gimplify.c:5652
0x8f7e4c gimplify_cond_expr
/repo/gcc-trunk/gcc/gimplify.c:3140
0x8f17b6 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/repo/gcc-trunk/gcc/gimplify.c:10142
0x90afec force_gimple_operand_1(tree_node*, gimple**, bool (*)(tree_node*),
tree_node*)
/repo/gcc-trunk/gcc/gimplify-me.c:78
0x90b11f force_gimple_operand_gsi_1(gimple_stmt_iterator*, tree_node*, bool
(*)(tree_node*), tree_node*, bool, gsi_iterator_update)
/repo/gcc-trunk/gcc/gimplify-me.c:115
0xde0728 expand_vector_piecewise
/repo/gcc-trunk/gcc/tree-vect-generic.c:272
0xde0ada expand_vector_parallel
/repo/gcc-trunk/gcc/tree-vect-generic.c:306
0xde238b expand_vector_scalar_condition
/repo/gcc-trunk/gcc/tree-vect-generic.c:1482
0xde238b expand_vector_operations_1
/repo/gcc-trunk/gcc/tree-vect-generic.c:1533
0xde238b expand_vector_operations
/repo/gcc-trunk/gcc/tree-vect-generic.c:1768
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
Tested revisions:
trunk r234183 - FAIL
5-branch r234179 - OK
