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Re: [patch, fortran] Fix PR 68009, wrong prototype in runtime_error

From: Thomas Schwinge <thomas at codesourcery dot com>
To: Thomas Koenig <tkoenig at netcologne dot de>
Cc: "fortran at gcc dot gnu dot org" <fortran at gcc dot gnu dot org>, gcc-patches <gcc-patches at gcc dot gnu dot org>
Date: Mon, 18 Mar 2019 10:50:44 +0100
Subject: Re: [patch, fortran] Fix PR 68009, wrong prototype in runtime_error
References: <92672f08-a2f6-f45b-334f-f7650aa78e56@netcologne.de>
Hi Thomas!

On Sun, 17 Mar 2019 13:04:14 +0100, Thomas Koenig <tkoenig@netcologne.de> wrote:
> this fixes a 7/8/9 regression. The problem is that front-end inlining
> of matmul could generate calls to _gfortran_runtime_error which were
> called as non-variadic.  This fixes the problem by setting the
> backend_decl on the resovled symbol, so it always uses the right one.

Thanks for looking into this.

> No test case, because there is not really a good way to check for this.

Tested-by: Thomas Schwinge <thomas@codesourcery.com>

For nvptx target testing, I see:

    [-FAIL:-]{+PASS:+} gfortran.dg/bounds_check_20.f90   -O  (test for excess errors)
    [-UNRESOLVED:-]{+FAIL:+} gfortran.dg/bounds_check_20.f90   -O  [-compilation failed to produce executable-]{+execution test+}

... which before complained about "Inconsistent redefinition of
'_gfortran_runtime_error', number of parameters differs".  (The
"execution test" FAIL now is "Prototype doesn't match for
'_gfortran_matmul_r4'", which -- expectedly so -- is not addressed by
your patch; not sure if there's a PR open for that.)

Your patch generally resolves all the "Prototype doesn't match for
'_gfortran_runtime_error'" FAILs, and effects the following progressions:

    @@ -23499,29 +23500,19 @@ nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)
    , should match Fortran runtime error: Array bound mismatch for dimension 1 of array.*
    PASS: gfortran.dg/matmul_bounds_10.f90   -O1  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_10.f90   -O1  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_10.f90   -O1  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 8110', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array.*
    PASS: gfortran.dg/matmul_bounds_10.f90   -O2  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_10.f90   -O2  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_10.f90   -O2  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 7382', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array.*
    PASS: gfortran.dg/matmul_bounds_10.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_10.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_10.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6778', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array.*
    PASS: gfortran.dg/matmul_bounds_10.f90   -O3 -g  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_10.f90   -O3 -g  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_10.f90   -O3 -g  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6981', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array.*
    PASS: gfortran.dg/matmul_bounds_10.f90   -Os  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_10.f90   -Os  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_10.f90   -Os  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 7803', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array.*
    FAIL: gfortran.dg/matmul_bounds_11.f90   -O0  (test for excess errors)
    UNRESOLVED: gfortran.dg/matmul_bounds_11.f90   -O0  compilation failed to produce executable
    FAIL: gfortran.dg/matmul_bounds_11.f90   -O1  (test for excess errors)
    @@ -23574,29 +23565,19 @@ nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)
    , should match Fortran runtime error: Array bound mismatch for dimension 2 of array.*
    PASS: gfortran.dg/matmul_bounds_2.f90   -O1  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_2.f90   -O1  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_2.f90   -O1  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 7854', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 2 of array.*
    PASS: gfortran.dg/matmul_bounds_2.f90   -O2  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_2.f90   -O2  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_2.f90   -O2  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6458', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 2 of array.*
    PASS: gfortran.dg/matmul_bounds_2.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_2.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_2.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6168', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 2 of array.*
    PASS: gfortran.dg/matmul_bounds_2.f90   -O3 -g  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_2.f90   -O3 -g  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_2.f90   -O3 -g  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6358', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 2 of array.*
    PASS: gfortran.dg/matmul_bounds_2.f90   -Os  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_2.f90   -Os  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_2.f90   -Os  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 7523', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 2 of array.*
    PASS: gfortran.dg/matmul_bounds_3.f90   -O0  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_3.f90   -O0  execution test
    FAIL: gfortran.dg/matmul_bounds_3.f90   -O0  output pattern test, is error   : Prototype doesn't match for '_gfortran_matmul_r4' in 'input file 4 at offset 20477', first defined in 'input file 4 at offset 20477'
    @@ -23604,29 +23585,19 @@ nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)
    , should match Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_3.f90   -O1  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_3.f90   -O1  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_3.f90   -O1  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 8109', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_3.f90   -O2  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_3.f90   -O2  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_3.f90   -O2  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 7381', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_3.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_3.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_3.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6778', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_3.f90   -O3 -g  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_3.f90   -O3 -g  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_3.f90   -O3 -g  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6980', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_3.f90   -Os  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_3.f90   -Os  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_3.f90   -Os  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 7802', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_4.f90   -O0  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_4.f90   -O0  execution test
    FAIL: gfortran.dg/matmul_bounds_4.f90   -O0  output pattern test, is error   : Prototype doesn't match for '_gfortran_matmul_r4' in 'input file 4 at offset 19478', first defined in 'input file 4 at offset 19478'
    @@ -23634,29 +23605,19 @@ nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)
    , should match Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_4.f90   -O1  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_4.f90   -O1  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_4.f90   -O1  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 7620', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_4.f90   -O2  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_4.f90   -O2  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_4.f90   -O2  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6285', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_4.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_4.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_4.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6161', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_4.f90   -O3 -g  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_4.f90   -O3 -g  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_4.f90   -O3 -g  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6351', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_4.f90   -Os  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_4.f90   -Os  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_4.f90   -Os  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 7349', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_5.f90   -O0  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_5.f90   -O0  execution test
    FAIL: gfortran.dg/matmul_bounds_5.f90   -O0  output pattern test, is error   : Prototype doesn't match for '_gfortran_matmul_r4' in 'input file 4 at offset 19416', first defined in 'input file 4 at offset 19416'
    @@ -23664,29 +23625,19 @@ nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)
    , should match Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_5.f90   -O1  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_5.f90   -O1  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_5.f90   -O1  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6926', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_5.f90   -O2  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_5.f90   -O2  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_5.f90   -O2  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6161', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_5.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_5.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_5.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6161', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_5.f90   -O3 -g  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_5.f90   -O3 -g  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_5.f90   -O3 -g  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6351', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    PASS: gfortran.dg/matmul_bounds_5.f90   -Os  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_5.f90   -Os  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_5.f90   -Os  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6161', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 1 of array
    FAIL: gfortran.dg/matmul_bounds_6.f90   -O0  (test for excess errors)
    UNRESOLVED: gfortran.dg/matmul_bounds_6.f90   -O0  compilation failed to produce executable
    PASS: gfortran.dg/matmul_bounds_6.f90   -O1  (test for excess errors)
    @@ -23718,41 +23669,31 @@ nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)
    , should match Fortran runtime error: Array bound mismatch for dimension 2 of array
    PASS: gfortran.dg/matmul_bounds_8.f90   -O1  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_8.f90   -O1  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_8.f90   -O1  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 8110', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 2 of array
    PASS: gfortran.dg/matmul_bounds_8.f90   -O2  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_8.f90   -O2  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_8.f90   -O2  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 7382', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 2 of array
    PASS: gfortran.dg/matmul_bounds_8.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_8.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_8.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6778', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 2 of array
    PASS: gfortran.dg/matmul_bounds_8.f90   -O3 -g  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_8.f90   -O3 -g  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_8.f90   -O3 -g  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 6980', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 2 of array
    PASS: gfortran.dg/matmul_bounds_8.f90   -Os  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_8.f90   -Os  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_8.f90   -Os  output pattern test,[-is error   : Prototype doesn't match for '_gfortran_runtime_error' in 'input file 3 at offset 7803', first defined in 'input file 1 at offset 1805'^M-]
    [-nvptx-run: cuLinkAddData failed: unknown error (CUDA_ERROR_UNKNOWN, 999)^M-]
    [-, should match-] Fortran runtime error: Array bound mismatch for dimension 2 of array
    PASS: gfortran.dg/matmul_bounds_9.f90   -O0  (test for excess errors)
    PASS: gfortran.dg/matmul_bounds_9.f90   -O0  execution test
    [-FAIL:-]{+PASS:+} gfortran.dg/matmul_bounds_9.f90   -O1  (test for excess errors)
    [-UNRESOLVED:-]{+PASS:+} gfortran.dg/matmul_bounds_9.f90   -O1  [-compilation failed to produce executable-]
    [-FAIL:-]{+execution test+}
    {+PASS:+} gfortran.dg/matmul_bounds_9.f90   -O2  (test for excess errors)
    [-UNRESOLVED:-]{+PASS:+} gfortran.dg/matmul_bounds_9.f90   -O2  [-compilation failed to produce executable-]
    [-FAIL:-]{+execution test+}
    {+PASS:+} gfortran.dg/matmul_bounds_9.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
    [-UNRESOLVED:-]{+PASS:+} gfortran.dg/matmul_bounds_9.f90   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  [-compilation failed to produce executable-]
    [-FAIL:-]{+execution test+}
    {+PASS:+} gfortran.dg/matmul_bounds_9.f90   -O3 -g  (test for excess errors)
    [-UNRESOLVED:-]{+PASS:+} gfortran.dg/matmul_bounds_9.f90   -O3 -g  [-compilation failed to produce executable-]
    [-FAIL:-]{+execution test+}
    {+PASS:+} gfortran.dg/matmul_bounds_9.f90   -Os  (test for excess errors)
    [-UNRESOLVED:-]{+PASS:+} gfortran.dg/matmul_bounds_9.f90   -Os  [-compilation failed to produce executable-]{+execution test+}


Grüße
 Thomas
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References:
- [patch, fortran] Fix PR 68009, wrong prototype in runtime_error
  - From: Thomas Koenig
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