https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108384
Bug ID: 108384 Summary: error: conversion of register to a different size in ‘view_convert_expr’ Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- Created attachment 54256 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54256&action=edit C source code The attached C code does this: $ ~/gcc/results/bin/gcc -c -w -O3 -ftrivial-auto-var-init=zero bug873.c testFile.4557.c: In function ‘func_1.isra’: testFile.4557.c:130:16: error: conversion of register to a different size in ‘view_convert_expr’ VIEW_CONVERT_EXPR<short int>(removed_ipa_cp.834_390); _393 = VIEW_CONVERT_EXPR<short int>(removed_ipa_cp.834_390); during GIMPLE pass: fixup_cfg testFile.4557.c:130:16: internal compiler error: verify_gimple failed 0xeaab49 verify_gimple_in_cfg(function*, bool, bool) ../../trunk.d1/gcc/tree-cfg.cc:5647 0xd46c5b execute_function_todo(function*, void*) ../../trunk.d1/gcc/passes.cc:2091 The bug first seems to occur sometime between git hash g:d901bf8a44a85e12 and g:b399afd22c6ea507. A reduction is running now.