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author | Joseph Myers <joseph@codesourcery.com> | 2005-03-30 20:35:49 +0100 |
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committer | Joseph Myers <jsm28@gcc.gnu.org> | 2005-03-30 20:35:49 +0100 |
commit | 1e55c0e22a52b386c8d0791db024344b3cb35876 (patch) | |
tree | 2be5b945b2d43442ad7d484da300b889093ef64a /gcc | |
parent | c9d691e97774e863ea1b345b346f5d39ca88b645 (diff) | |
download | gcc-1e55c0e22a52b386c8d0791db024344b3cb35876.zip gcc-1e55c0e22a52b386c8d0791db024344b3cb35876.tar.gz gcc-1e55c0e22a52b386c8d0791db024344b3cb35876.tar.bz2 |
re PR c/20368 (internal compiler error: tree check: expected function_type or method_type, have integer_type in start_function, at c-decl.c:5777)
PR c/20368
* c-decl.c (start_function): Check for old_decl being
error_mark_node.
testsuite:
* gcc.dg/pr20368-1.c, gcc.dg/pr20368-2.c, gcc.dg/pr20368-3.c: New
tests.
From-SVN: r97270
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/c-decl.c | 10 | ||||
-rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/pr20368-1.c | 12 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/pr20368-2.c | 12 | ||||
-rw-r--r-- | gcc/testsuite/gcc.dg/pr20368-3.c | 12 |
6 files changed, 56 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0e5dea3..285c5fb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-03-30 Joseph S. Myers <joseph@codesourcery.com> + + PR c/20368 + * c-decl.c (start_function): Check for old_decl being + error_mark_node. + 2005-03-30 Ian Lance Taylor <ian@airs.com> * final.c (final): Remove prescan parameter. Change all callers. diff --git a/gcc/c-decl.c b/gcc/c-decl.c index cc45e26..f333dad 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -5691,11 +5691,13 @@ start_function (struct c_declspecs *declspecs, struct c_declarator *declarator, /* Optionally warn of old-fashioned def with no previous prototype. */ if (warn_strict_prototypes + && old_decl != error_mark_node && TYPE_ARG_TYPES (TREE_TYPE (decl1)) == 0 && C_DECL_ISNT_PROTOTYPE (old_decl)) warning ("function declaration isn%'t a prototype"); /* Optionally warn of any global def with no previous prototype. */ else if (warn_missing_prototypes + && old_decl != error_mark_node && TREE_PUBLIC (decl1) && !MAIN_NAME_P (DECL_NAME (decl1)) && C_DECL_ISNT_PROTOTYPE (old_decl)) @@ -5703,7 +5705,9 @@ start_function (struct c_declspecs *declspecs, struct c_declarator *declarator, /* Optionally warn of any def with no previous prototype if the function has already been used. */ else if (warn_missing_prototypes - && old_decl != 0 && TREE_USED (old_decl) + && old_decl != 0 + && old_decl != error_mark_node + && TREE_USED (old_decl) && TYPE_ARG_TYPES (TREE_TYPE (old_decl)) == 0) warning ("%J%qD was used with no prototype before its definition", decl1, decl1); @@ -5716,7 +5720,9 @@ start_function (struct c_declspecs *declspecs, struct c_declarator *declarator, /* Optionally warn of any def with no previous declaration if the function has already been used. */ else if (warn_missing_declarations - && old_decl != 0 && TREE_USED (old_decl) + && old_decl != 0 + && old_decl != error_mark_node + && TREE_USED (old_decl) && C_DECL_IMPLICIT (old_decl)) warning ("%J%qD was used with no declaration before its definition", decl1, decl1); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 991873c..be4633b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2005-03-30 Joseph S. Myers <joseph@codesourcery.com> + + PR c/20368 + * gcc.dg/pr20368-1.c, gcc.dg/pr20368-2.c, gcc.dg/pr20368-3.c: New + tests. + 2005-03-30 Alan Modra <amodra@bigpond.net.au> * gcc.c-torture/compile/pr20203.c: New test. diff --git a/gcc/testsuite/gcc.dg/pr20368-1.c b/gcc/testsuite/gcc.dg/pr20368-1.c new file mode 100644 index 0000000..a88c7f8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr20368-1.c @@ -0,0 +1,12 @@ +/* ICE with -Wstrict-prototypes and typeof an undeclared function. + Bug 20368. */ +/* { dg-do compile } */ +/* { dg-options "-Wstrict-prototypes" } */ + +extern __typeof (f) g; /* { dg-error "error: 'f' undeclared here \\(not in a function\\)" } */ + +int +f (x) + float x; +{ +} diff --git a/gcc/testsuite/gcc.dg/pr20368-2.c b/gcc/testsuite/gcc.dg/pr20368-2.c new file mode 100644 index 0000000..e3c8396 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr20368-2.c @@ -0,0 +1,12 @@ +/* ICE with -Wstrict-prototypes and typeof an undeclared function. + Bug 20368. Test with -Wmissing-prototypes. */ +/* { dg-do compile } */ +/* { dg-options "-Wmissing-prototypes" } */ + +extern __typeof (f) g; /* { dg-error "error: 'f' undeclared here \\(not in a function\\)" } */ + +int +f (x) + float x; +{ +} diff --git a/gcc/testsuite/gcc.dg/pr20368-3.c b/gcc/testsuite/gcc.dg/pr20368-3.c new file mode 100644 index 0000000..3209599 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr20368-3.c @@ -0,0 +1,12 @@ +/* ICE with -Wstrict-prototypes and typeof an undeclared function. + Bug 20368. Test with -Wmissing-declarations. */ +/* { dg-do compile } */ +/* { dg-options "-Wmissing-declarations" } */ + +extern __typeof (f) g; /* { dg-error "error: 'f' undeclared here \\(not in a function\\)" } */ + +int +f (x) + float x; +{ +} |