http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48063
Summary: [4.6 Regression] ICE: verify_stmts failed: conversion of register to a different size with -fno-early-inlining Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz CC: ja...@gcc.gnu.org Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 23616 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23616 preprocessed gcc.c-torture/compile/pr47967.c Testcase is the same as for PR47967. Compiler output: $ gcc gcc.c-torture/compile/pr47967.c -O -fno-early-inlining gcc.c-torture/compile/pr47967.c: In function 'foo': gcc.c-torture/compile/pr47967.c:7:1: error: conversion of register to a different size VIEW_CONVERT_EXPR<double>(D.2694_3); i_2 = VIEW_CONVERT_EXPR<double>(D.2694_3); gcc.c-torture/compile/pr47967.c:7:1: internal compiler error: verify_stmts failed Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. (gdb) bt #0 error (gmsgid=0x116d6a0 "conversion of register to a different size") at /mnt/svn/gcc-trunk/gcc/diagnostic.c:747 #1 0x00000000008ea08c in verify_types_in_gimple_reference (expr=0x7ffff5ba1fc0, require_lvalue=0 '\000') at /mnt/svn/gcc-trunk/gcc/tree-cfg.c:2953 #2 0x00000000008eb01d in verify_gimple_assign_single (stmt=<value optimized out>) at /mnt/svn/gcc-trunk/gcc/tree-cfg.c:3755 #3 verify_gimple_assign (stmt=<value optimized out>) at /mnt/svn/gcc-trunk/gcc/tree-cfg.c:3824 #4 verify_types_in_gimple_stmt (stmt=<value optimized out>) at /mnt/svn/gcc-trunk/gcc/tree-cfg.c:3984 #5 0x00000000008f35bf in verify_stmts () at /mnt/svn/gcc-trunk/gcc/tree-cfg.c:4386 #6 0x0000000000a094cd in verify_ssa (check_modified_stmt=1 '\001') at /mnt/svn/gcc-trunk/gcc/tree-ssa.c:878 #7 0x00000000007f3e49 in execute_function_todo (data=<value optimized out>) at /mnt/svn/gcc-trunk/gcc/passes.c:1240 #8 0x00000000007f453d in execute_todo (flags=2132516) at /mnt/svn/gcc-trunk/gcc/passes.c:1271 #9 0x00000000007f68cb in execute_one_ipa_transform_pass () at /mnt/svn/gcc-trunk/gcc/passes.c:1463 #10 execute_all_ipa_transforms () at /mnt/svn/gcc-trunk/gcc/passes.c:1487 #11 0x0000000000939d2d in tree_rest_of_compilation (fndecl=0x7ffff5ba2100) at /mnt/svn/gcc-trunk/gcc/tree-optimize.c:415 #12 0x0000000000b01e72 in cgraph_expand_function (node=0x7ffff5ba5000) at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1576 #13 0x0000000000b045ba in cgraph_expand_all_functions () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1635 #14 cgraph_optimize () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1899 #15 0x0000000000b04b3a in cgraph_finalize_compilation_unit () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1096 #16 0x00000000005097bc in c_write_global_declarations () at /mnt/svn/gcc-trunk/gcc/c-decl.c:9872 #17 0x00000000008e2cd8 in compile_file (argc=14, argv=0x7fffffffdb48) at /mnt/svn/gcc-trunk/gcc/toplev.c:591 #18 do_compile (argc=14, argv=0x7fffffffdb48) at /mnt/svn/gcc-trunk/gcc/toplev.c:1900 #19 toplev_main (argc=14, argv=0x7fffffffdb48) at /mnt/svn/gcc-trunk/gcc/toplev.c:1963 #20 0x00007ffff6445bbd in __libc_start_main () from /lib/libc.so.6 #21 0x00000000004f0369 in _start () Tested revisions: r170814 - crash 4.5 r170013 - OK