https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122015
Bug ID: 122015
Summary: [16 Regression]
g++.dg/modules/xtreme-header-2_b.C:5:30: internal
compiler error: canonical types differ for identical
types ‘auto’ and ‘auto’
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
Target Milestone: ---
On Linux/x86-64, r16-3997-ga77146f01563b5 caused:
/export/gnu/import/git/sources/gcc/gcc/testsuite/g++.dg/modules/xtreme-header-2_b.C:5:30:
internal compiler error: canonical types differ for identical types ‘auto’ and
‘auto’
0x30dc052 internal_error(char const*, ...)
/export/gnu/import/git/sources/gcc/gcc/diagnostic-global-context.cc:786
0x8cc772 comptypes(tree_node*, tree_node*, int)
/export/gnu/import/git/sources/gcc/gcc/cp/typeck.cc:1734
0x8cba8f structural_comptypes
/export/gnu/import/git/sources/gcc/gcc/cp/typeck.cc:1616
0x8cc6b9 comptypes(tree_node*, tree_node*, int)
/export/gnu/import/git/sources/gcc/gcc/cp/typeck.cc:1723
0x8a4f64 cp_tree_equal(tree_node*, tree_node*)
/export/gnu/import/git/sources/gcc/gcc/cp/tree.cc:4444
0x672e20 is_matching_decl
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:12466
0x65fe67 decl_value
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:8933
0x6669b1 tree_node
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:10258
0x6578e0 core_vals
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:7022
0x65a752 tree_node_vals
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:7746
0x664ff2 tree_value
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:9873
0x666999 tree_node
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:10253
0x658b9f core_vals
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:7279
0x65a752 tree_node_vals
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:7746
0x664ff2 tree_value
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:9873
0x666999 tree_node
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:10253
0x658da6 core_vals
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:7309
0x65a752 tree_node_vals
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:7746
0x664ff2 tree_value
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:9873
0x666999 tree_node
/export/gnu/import/git/sources/gcc/gcc/cp/module.cc:10253
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Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
