| Summary: | [5 Regression] ICE: error: virtual use of statement not up-to-date | ||
|---|---|---|---|
| Product: | gcc | Reporter: | Markus Trippelsdorf <trippels> |
| Component: | tree-optimization | Assignee: | Richard Biener <rguenth> |
| Status: | RESOLVED FIXED | ||
| Severity: | normal | ||
| Priority: | P3 | ||
| Version: | 5.0 | ||
| Target Milestone: | 5.0 | ||
| Host: | Target: | ||
| Build: | Known to work: | ||
| Known to fail: | Last reconfirmed: | 2014-10-13 00:00:00 | |
Mine. Author: rguenth Date: Tue Oct 14 07:36:02 2014 New Revision: 216174 URL: https://gcc.gnu.org/viewcvs?rev=216174&root=gcc&view=rev Log: 2014-10-14 Richard Biener <rguenther@suse.de> PR tree-optimization/63512 * tree-ssa-pre.c (create_expression_by_pieces): Mark stmts modified. * g++.dg/torture/pr63512.C: New testcase. Added: trunk/gcc/testsuite/g++.dg/torture/pr63512.C Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-pre.c Fixed. |
~ % cat ParseDeclCXX.ii extern "C" { void __assert_fail (); unsigned long strlen (const char *); } class A { int Data; int Length; public: A (const char *p1) : Data () { p1 ? void() : __assert_fail (); Length = strlen (p1); } }; enum TokenKind { semi }; class B { public: void m_fn1 (); }; class C { void m_fn2 (TokenKind, int, A); struct D { D (int); B Range; }; int *m_fn3 (const int &, int &, int **); }; int a, b; int * C::m_fn3 (const int &, int &, int **) { D c (0); if (a) c.Range.m_fn1 (); m_fn2 (semi, 0, b ? "" : a ? "alias declaration" : "using declaration"); } ~ % g++ -c -O2 ParseDeclCXX.ii ParseDeclCXX.ii: In member function ‘int* C::m_fn3(const int&, int&, int**)’: ParseDeclCXX.ii:38:1: error: virtual use of statement not up-to-date C::m_fn3 (const int &, int &, int **) ^ # VUSE <.MEM_16> _21 = 17; ParseDeclCXX.ii:38:1: internal compiler error: verify_ssa failed 0x10bb6b0b verify_ssa(bool, bool) ../../gcc/gcc/tree-ssa.c:1055 0x1087664b execute_function_todo ../../gcc/gcc/passes.c:1758 0x10877087 do_per_function ../../gcc/gcc/passes.c:1478 0x1087734f execute_todo ../../gcc/gcc/passes.c:1808 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.